Either you or one of your students________ to attend the meeting that is due tomorrow.
#85657
A
are
B
is
C
have
D
be
推荐题目
— Why does the lake smell terrible?— Because large quantities of water ____.
#85686
A
have polluted
B
is being polluted
C
has been polluted
D
have been polluted
The number of students who took part in the competition last week ________ more than 1500.
#85938
A
reach
B
were
C
is
D
was
