--- I rang you at about ten, but there was no reply. --- Oh, that was probably _____ I was seeing the doctor.
#32012
A
for
B
why
C
when
D
how
推荐题目
The museum will open in the spring with an exhibition and a viewing platform ___visitors can watch the big glasshouses being built.
#31051
A
what
B
where
C
when
D
why
We are having a class get-together. It’s been twenty years we graduated from high school.
#33241
A
before
B
since
C
after
D
when
________ the news, so far, has been good, there may be days ahead when it is bad.
#30763
A
While
B
When
C
Because
D
If
_______ children get older, they become more and more interested in everything.
#31002
A
Once
B
Whether
C
With
D
As