______ is often the case in science, there is no simple answer
#31110
A
That
B
As
C
When
D
Where
推荐题目
John got his phone for his birthday, his parents don’t let him use it in school.
#31990
A
however
B
which
C
but
D
when
---I’m afraid I have to give it up．---Don’t be discouraged．Remember _____ sticks to his work will succeed one day．
#32145
A
anyone
B
who
C
no matter who
D
whoever
You had better book rooms at the hotel in advance _____you should find no room on your arrival.
#31041
A
so that
B
even if
C
in case
D
now that
—I must apologize for ______ ahead of time. —That’s all right.
#32100
A
not letting you to know
B
not letting you know
C
letting you know not
D
letting not you know