—Why didn't you come to Mike’s birthday party yesterday?---Well, I ____, but I forgot it.
#90381
A
should
B
must
C
should have
D
must have
推荐题目
________ fired, your health care and other benefits will not be immediately cut off.
#90512
A
Would you be
B
Should you be
C
Could you be
D
Might you be
--- I have great difficulty figuring out the answer to this problem.    --- _____ my advice, you ____ less difficulty with such problems. 
#90184
A
If you had followed, would have had
B
If you followed, would have
C
If you had followed, would have
D
If you listen, will have
. I ____ to the top of the tree, but I fell off it and hurt my leg.
#88189
A
must have climbed
B
was able to climb
C
could have climbed
D
should have climbed