A.what; which | B.what; that | C.that; that | D.how; which |
A.I"m sorry to hear that. |
B.Congratulations! |
C.I"m not sure. |
D.Have a nice trip! |
A.Mary had found | B.had Mary found | C.did Mary find | D.Mary found |
A.will be | B.is | C.does | D.has been |
A.should not make | B.should not have made |
C.ought not have made | D.must not have made |
A.cleaning | B.to clean | C.cleaned | D.being cleaned |
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