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
推荐题目
The fact ___ she was often late for school made her teacher angry.
#71636
A
which
B
that
C
if
D
whether
--- Did Jack come back early last night?--- Yes. It was not yet eight o’clock ______ he arrived home.
#67879
A
before
B
until
C
when
D
af ter
The notice has been told everyone _______ a party will be held in the open air tomorrow.
#71676
A
whether
B
when
C
where
D
that
, and you will realize your dream of being successful.
#66838
A
Making great efforts
B
To make your efforts
C
A bit more effort
D
If you double your efforts
If he ___________ on time, we will go without him.
#40990
A
doesn’t come
B
don’t come
C
didn’t come
D
comes