Our country _______ a lot in the last fifty years.
#38761
A
will change
B
changed
C
changes
D
has changed
推荐题目
The teachers ________ on the blackboard with chalk in the future.
#39033
A
isn't writing
B
didn't write
C
don't write
D
won't write
The twins in Dalian last year. And they here now.
#37622
A
are; were
B
were; are
C
was; are
D
were; was
When I got to the cinema, the film ___________ for 15 minutes.
#39992
A
has begun
B
has been
C
had begun
D
had been on
--Where have you _______ all day?--- I came back at noon and I _______ in this office since then.
#39754
A
been in; had been
B
been in; was
C
been; have been
D
been; am
—I called you yesterday evening, but there was no answer.—Oh, I’m sorry. I ________ dinner in my friend’s home.
#41832
A
have
B
will have
C
was having
D
have had