Question

1.we have written a lot of e-mail on the computer in the pas

Answer 1

1.不要改,这句话没有强调当时正在,故用过去完成时,要看语感.

2.we have made computers smaller and smaller,as years have gone by.

3.

it was reported by them that refugees will be offered financial aid.

4.what the teacher and students require was considered by us.