摘要： -I posted the letter a week ago. -Then they the letter by now. It usually takes four days. A. can have received B. must receive C. should receive D. ought to have received
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-I posted the letter a week ago.
-Then they ________ the letter by now. It usually takes four days.
- A.can have received
- B.must receive
- C.should receive
- D.ought to have received
— I posted the letter a week ago.
— Then they________the letter by now. It usually takes four days.
— Then they________the letter by now. It usually takes four days.
[ ]
A. can have received
B. must have received
C. would have received
D. should have received
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B. must have received
C. would have received
D. should have received