—Was Tom nervous before making a speech to the class?—Yes, he was. I noticed his hand_______ .
#52086
A
shakes
B
shaking
C
shake
D
shook
推荐题目
The old men are playing chess. Do you mind _____ the music a little?
#52400
A
turning off
B
turning up
C
turning on
D
turning down
—Do you know who invented Chinese chess?—Sorry. I don’t know. Let’s ______ the Internet ______ . 
#53268
A
search; find out it
B
to search; to find it out
C
to search; to find out it
D
search; to find it out