Over fifty countries _______ the AIIB(亚投行) so far.
A. joined B. was joining
C. had joined D. have joined
---Our classmates went to a concert yesterday afternoon.
---What a pity! I my homework.
A. had done B. was doing
C. am doing D. would do
You can’t wear shoes inside this place.
It_____.
A. doesn’t allow B. isn’t allowed
C. hasn’t allowed D. wasn’t allowed
—I called you at 8:00 last night, but you didn’t answer.
—Oh, I ________.
A. took a shower B. was taking a shower
C. am taking a shower D. take a shower
—Who is your new English teacher this term, Jack?
— The man ______ is wearing a blue T-shirt.
A. whom B. who
C. whose D. which
We _____ walk in the park after supper， talking about all _____ we were interested in.
A. used to， what B. were used to， what
C. used to， that D. were used to， which
