—Mary was heard ________ just now. What happened?—John was telling a joke.
#49144
A
to cry
B
laugh
C
to laugh
D
cry
推荐题目
—Doctor, I am afraid I am getting fat these days. — _____ slim, you should change your diet and lifestyle.
#49022
A
Keeping
B
Keeps
C
Keep
D
To keep
—Do you know who the first spacewoman in the world is?—I’ve no idea. But it’s reported that the first Chinese spacewoman will be selected _____ a task in the Shenzhou-9 spacecraft this summer.
#50627
A
perform
B
performing
C
to perform
D
to performing