1.he will come back (within two months)对打括号处提问.2.( )－Who _____climb this tree?－I'm afraid no one____.A.could;can B.can;can C.can;could D.can;couldn't3.( )－______they finish the work today?－No,they_____.A.Can;can't B.Could;can't C.Can;can D.Can't ;can
问题描述：
1.he will come back (within two months)对打括号处提问.
2.( )－Who _____climb this tree?
－I'm afraid no one____.
A.could;can B.can;can C.can;could D.can;couldn't
3.( )－______they finish the work today?
－No,they_____.
A.Can;can't B.Could;can't C.Can;can D.Can't ;can
答
How soon will he come back?
C
A
答
When will he come back?
B
A
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