—How about paying a visit to Mr. Richardson, our former history teacher?—Good idea. I will e-mail him today so he ___ know ___ to expect us.
#89538
A
may,when
B
would, why
C
will, how
D
shall, why
推荐题目
      the teacher's advice yesterday, you __________in hospital now.
#87115
A
Were you to follow
B
Had you followed, wouldn’t be
C
Had you followed, wouldn’t have been
D
If you followed, wouldn’t have been
What would have happened____, as far as the river bank? 
#89939
A
if Bob has walked farther
B
if Bob should walk farther
C
had Bob walked farther
D
if Bob walked farther
I was really anxious about you. You _____ __ home without a word. 
#90288
A
mustn’t leave
B
shouldn’t have left
C
couldn’t have left
D
needn’t leave