A.sleep | B.will sleep | C.am sleeping | D.will be sleeping |
A.to be sent | B.to send | C.sending | D.sent |
A.don’t know.. were | B.hadn’t known.. were | C.haven’t known.. are | D.didn’t know.. were |
A.can have missed | B.can have lost | C.may have missed | D.may have lost |
A.was preparing | B.prepare | C.prepared | D.have prepared |
A.carried | B.brought | C.taken | D.got |
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