问题

ome your father can read books inGerman— Well, he____on a project with someGerman engineers for 3 years when he was young.

A:worked
B:was working
C:had worked
D:would work

正确答案是：

同类题型

There atalk show on CCTV—3 at 10:00 tonight.

Three bridges __________ over the river five years ago.

He may win the first prize in the national competition, _______ he is likely to be admitted to Peking University.

s speech, he said that it was his primary school teachers that he was fond of ________ influenced his whole life

_____–For tow hours.