—Where is Bob? I cannot find him anywhere.—He have been off long. I heard him make a call just now.
#90189
A
shouldn’t
B
can’t
C
mustn’t
D
needn’t
推荐题目
My English teacher insisted that the exercises ____very difficult and that we ____them carefully.
#86763
A
were; must finish
B
be; finish
C
were; finish
D
be; finished
—Shall we finish the project two days ahead?—I’m afraid we , in case the heavy storm comes suddenly.
#87103
A
may
B
will
C
can
D
must
Bob insisted that he ________ nothing wrong and _______ from work.
#87307
A
did; won’t be fired
B
had done; not be fired
C
should do; mustn’t be fired
D
do; shouldn’t be fired
No reader ________ take away a book from the library without the permission of the librarian.
#88319
A
need
B
might
C
shall
D
will
Teachers required that all the students ___ their homework all alone.
#87338
A
must finish
B
would finish
C
had to finish
D
finish