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【单选题】
---Why does Tommy look unhappy ? --- Because his teacher makes him _______ the classroom all by himself .A.
to clean
B.
clean
C.
cleans
D.
cleaning
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【简答题】YL-335A自动化生产线各单元PLC型号选择
【简答题】Do you know the __________ (cry) girl over there?
【单选题】________ is no good ________ over spilt milk.
A.
This; crying
B.
It; to cry
C.
It; crying
D.
That; to cry
【单选题】It's no use___________over spilt milk. 47.
A.
cry
B.
crying
C.
that you cry
D.
for you to cry
【单选题】To cry over spilled milk is to cry ______.
A.
in a vain
B.
in the vain
C.
in vain
D.
in no vain
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