英语题帮忙做下！谢谢

1、These two areas are similar _____ they both have a high rainfall during this season.（2分）A、that B、besides C、because D、except
2、If she wants to stay thin, she must make a ______- in her diet.（2分）A、change B、turn C、run D、go
3、A computer _______ think for itself, it must be told what to do. （2分）A、can’t B、couldn’t C、may not D、might not
4、He _______ finding a taxi for me, even though I told him I lived nearby.（2分）A、insisted onB、insisted atC、insisted thatD、insisted in
5、When Lily came home at 5 p.m. yesterday, her mother _____ dinner in the kitchen.（2分）A、cooked B、was cooking C、cooks D、has cooked