I______ at the letter but I couldn’t read the name at the bottom.
A.lean
B.rub
C.peer
D.pace
A.lean
B.rub
C.peer
D.pace
My wallet is nowhere to be found. I______ when I was on the bus.
A.must drop it
B.should have dropped it
C.must have dropped it
D.had dropped it
By the time you get to Shanghai, I______ for Chongqing.
A.am leaving
B.will leave
C.shall have left
D.had left
Mary said to me, "Had I seen your bag, I______ it to you.
A.will return
B.must return
C.could return
D.would have returned
—How long______ a cold?—It is three days since I______ a cold.
A.have you caught; had
B.have you caught; caught
C.have you had; caught
D.had you had; had
I______ a little earlier, but I met a friend of mine on the way.
A.should arrive
B.would be arriving
C.could have arrived
D.arrived
—Why didn't you go to the cinema yesterday?
—I______, but my daughter returned from America the moment I was leaving.
A. did
B. would
C. was going to
D. had
I could have done it better if I______ more time.
A.have had
B.had
C.had had
D.will have had
I would have written before, but I______ ill.
A.was
B.would been
C.had been
D.were
A bury B am burying C buried D would bury
A.should not drive
B.shouldn't have driven
C.mustn't drive
D.can't drive