Great efforts to increase grain production       if food shortages are to be avoided.
#88013
A
could be made
B
must be made
C
might be made
D
would be made
推荐题目
 The plant is dead. I _____ it more water.
#86513
A
will give
B
would have given
C
must give
D
should have give
Tom suggested that we __________such a meeting, but Jenny insisted that it _________of great importance.
#90006
A
not hold ; should be
B
didn't hold ; be
C
hold ; was
D
not hold ; was
—Hi, Tom, Any idea where Jane is? — She __ in the classroom. I saw her there just now.
#88121
A
shall be
B
should have been
C
must be
D
might have been