. It is uncertain __ side effect the medicine will bring about, although about two thousand patients have taken it.
#34730
A
that
B
what
C
how
D
whether
推荐题目
Scarcely had they settled themselves in their seats in the theatre ______ the curtain went up.
#31715
A
then
B
before
C
when
D
then
Doctor Smith has made another wonderful discovery, _______ great importance.
#30394
A
which I think is of
B
which I think it is of
C
which is I think
D
I think which is
We’ll buy a11 the products in your storehouse, ______ of course the price is reasonabte．
#34413
A
provided
B
unless
C
though
D
until
Our society insists on regular habits, timekeeping and punctuality, and whether we like it or not, ________ we mean to make our way in society, we have to comply (to act in accordance with a demand, rule, etc.) its demands.
#30262
A
whether
B
after
C
if
D
until
She had just finished her homework her mother asked her to practice playing the piano yesterday.
#30926
A
when
B
while
C
after
D
since