--Have you found your book yet? --- No, I’m not sure where I________ it?
#103860
A
leave
B
had left
C
could have left
D
was to leave.
推荐题目
Mary ______ to see you . She _____ for you downstairs at the moment .
#104620
A
has come ; is waiting
B
came ; is waiting
C
has come ; waited
D
came ; was waiting
________ the classroom, the teacher found all the parents already______ there.
#103135
A
Entered; seated
B
Entering; seating
C
Entered; seating
D
Entering; seated
The surface of the table ______ smooth enough．
#102806
A
hash’t felt
B
isn’t feeling
C
doesn’t feel
D
isn’t felt
Many kinds of help ________ by plane or by train to the area ever since the earthquake hit it.
#103062
A
had been offered
B
have been offered
C
are offered
D
were offered
—Come on，Kitty.—Oh, good heavens! Both my legs are nearly to give out. I_______ for hours like a dog.
#102044
A
have been walking
B
had walked
C
was walking
D
walked