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问题: 选择两道

Can I try it on ?
I'm _______you can
A,sure
B.be sure
C.make sure
D.surely

Help_____to some more soup,Tom
Thank You
A.yourself
B.yourselves
C.himself
D.herself

解答:

答案
1.A (be sure 结构)
2.A (help oneself to do 结构 Tom仅一个人,用单数)