It is uncertain _______ side effect the medicine will bring about,although about two thousand patients have taken it.
#32917
A
that
B
what
C
how
D
whether
推荐题目
I really wonder ______ he has posted me many parcels _____ we worked together .
#80505
A
how ; after
B
why ; when
C
when ; before
D
why ; since
Please call my secretary to arrange a meeting this afternoon, or ________ it is convenient to you.
#30284
A
whenever
B
however
C
whichever
D
wherever
.It will not be ________ we can meet again.
#33845
A
long before
B
before long
C
soon after
D
shortly after
Yang Liwei was surrounded by the audience _____ he stepped off the stage.
#32766
A
until
B
through
C
now that
D
instantly
Children’s brains can’t develop properly_______ they lack protein.
#79950
A
when
B
since
C
because
D
unless