题目内容
Look! ____ his ruler.
A. This's B. this is C. This is D. Its
C
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The book ________ be Tom’s. Look! His name is on it.
| A.have to | B.might | C.could | D.must |
题目内容
Look! ____ his ruler.
A. This's B. this is C. This is D. Its
C
The book ________ be Tom’s. Look! His name is on it.
| A.have to | B.might | C.could | D.must |