--- How come your father can read books in German?--- Well, he        on a project with some German engineers for 3 years when he was young.
#100413
A
worked
B
was working
C
had worked
D
would work
推荐题目
Now I get the telegram I _______.
#100048
A
have been expected to
B
expected
C
have been expecting
D
am expected to
Who do you think _____the money?
#104381
A
to steal
B
stealing
C
to have stolen
D
stole
A lot of food as well as some tents _________to Yushu since the earthquake occurred.
#102740
A
has been transported
B
have been transported
C
is being transported
D
are transported