Not only his parents but also his brother         to the Summer Palace. They haven’t been back.
#41984
A
have been
B
have gone
C
has been
D
has gone
推荐题目
-–I hear you __________ your project at the end of last week.-–In fact, I __________ it by the end of last month.
#41534
A
had finished; had finished
B
finished; had finished
C
had finished; finished
D
finished; finished
___How time flies!It’s already twelve o’clock. ___ Oh,really? I ______ it at all.
#41598
A
don’t realize
B
Didn’t realize
C
haven’t realized
D
hadn’t realized
These boxes ______ for keeping the food clean and cool.
#39501
A
use
B
are used
C
have used
D
were using