I would appreciate it ________ you call back this afternoon for the doctor's appointment.
#67449
A
until
B
if
C
when
D
that
推荐题目
_______ knows the truth will tell you about it , I think .
#71909
A
Who
B
No matter who
C
Whoever
D
B and C
We should consider the students’ request ___the school library provide more books on popular science.
#74269
A
that
B
when
C
which
D
where
________ your composition carefully, some spelling mistakes can be avoided.
#67555
A
Having checked
B
Checking
C
If you check
D
To check
----Don’t look down upon Bob. He has his own advantages. ----Oh, yes. ______ others are weak, he is strong.
#67477
A
If
B
Where
C
When
D
Though
Although he was in poor health, Robert succeeded ______ other more famous engineers failed.
#74635
A
which
B
that
C
what
D
where