---- Where _______ my books?---- Sorry, I don’t know.
#44174
A
is
B
am
C
are
D
be
推荐题目
Professor Smith, along with his assistants,______ on the project day and night to meet the deadline.
#86316
A
work
B
working
C
is working
D
are working
The city government is planning to build a factory to deal with the industry waste，but when and where to build it________.
#85688
A
haven’t been decided
B
aren’t decided
C
hadn’t been decided
D
hasn’t been decided
Grammar mistakes of this kind _____ widely among Chinese students.
#85807
A
have been made
B
has been made
C
have made
D
has made
This kind of picture stories worth reading , but novels of that kind not worth reading .
#85892
A
are ; is
B
is ; are
C
are ; are
D
is ; is