____ the flight to Beijing will be delayed is ____ I’m especially worried about.
#69040
A
If; what
B
Whether; that
C
When; that
D
Whether; what
推荐题目
It is uncertain____side effect the medicine will bring about，although about two thousand patients have taken it.
#67381
A
that
B
what
C
how
D
whether
We finished the job last night ,but it was already midnight _______I arrived home．
#67499
A
while
B
when
C
where
D
that
Can you make sure ______the gold ring?
#72721
A
where Alice had put
B
where had Alice put
C
where Alice has put
D
where has Alice put
After months of voyage, Columbus arrived in ______ later proved a new continent．
#72977
A
where
B
what
C
which
D
that