I’m glad you’ve come back from the United States. Please tell me how long you ____there.
#52070
A
have stayed
B
had stayed
C
have been staying
D
stayed
推荐题目
Be sure _______ when you enter the cave. Otherwise, you’ll hit your head on the rocks.
#53929
A
to bend
B
bends
C
will bend
D
bending
"Take this medicine(吃药) and it will make you better soon," the nurse says to the sick boy.
#54668
A
feel
B
to feel
C
feeling
D
feels
—Susan ,you are doing worse. You have to _____more _____ your study than computer games.—Yes. I must control myself.
#55496
A
concentrate;on
B
decide;on
C
take;on
D
spend;on