1.After the robbery, the shop installed a sophisticates alarm system as an insurance against further losses.
2.Having believed the earth to be flat, many feared that Columbus would fall off the edge of the earth.
3.A healthy life is frequently thought to be associated with the open countryside and homegrown food.
4.Sir Denis, who is 78, has made it known that much of his collection is to be left to the nation.
5.Before the first non-stop flight made in 1949, it had been necessary for all planes to land for refueling.
6.In Britain today women make up 44% of the workhorse, and nearly half the mothers with children are in paid work.
7.As might be expected, the response to the question was very mixed.
8.If I correct someone, I will do it with as much good humor and self-restraint as if I were the one being corrected .
9.Features such as height, weight, and skin color vary from individual to individual and from face to face.
10.I make notes in the back of my diary of thing to be mended or replaced.
11.The room is in a terrible mess it can’t have been cleaned.
12.A well-written composition calls for good choice of words and clear organization among other things.
13.The traditional approach to dealing with complex problems is to break them down into smaller, more easily managed problems.
14.It has been revealed that some government leaders abuse their authority and position to get illegal profits for themselves.
15.We were struck by the extent to which teachers’ decisions served the interests of the school rather than those of the students.
16.Shelly had prepared carefully for her biology examination so that she could be sure of passing it on her first attempt.
17.The ancient Egyptians are supposed to have sent rockets to the moon.
18.The store had to lay off a number of clerks because sales were down.
19.All the students in this class passed the English exam with the exception of Li Ming.
20.Young adults rather than older people are more likely to prefer pop songs.
21.Writing is a slow process, requiring considerable thought, time, and effort.
22.Were she to leave right now, she would get there on Sunday.
23.It’s already 5 o’clock now. Don’t you think it’s about time we went home?
24.Lightning is a rush of electrical current from a cloud to the ground or from one cloud to another.
25.Today, corporations hardly ever introduce major new products without conducting elaborate market research.
26.I’ve already told you that I’m going to buy it, however much it costs.
27.New York ranked second in the production of apples, producing 850,000,000 pounds this year.
28.Melted iron is poured into the mixer much in the same way as tea is poured into a cup from a teapot.
29.By success I don’t mean what is usually thought of when that word is used.
30.I caught a glimpse of the taxi before it disappeared around the corner of the street.
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