________they visited the Science Museum，they showed great interest in everything they saw.
#30703
A
The first time
B
For the first time
C
At first
D
At the first time
推荐题目
Mr. Smith wanted to buy the house and he told me that ____the house cost，it would be worth it.
#77531
A
however
B
how much
C
whatever
D
what
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
Failure can make a positive contribution to your life _______ you learn to use it.
#33895
A
since
B
unless
C
until
D
once
There was never any time for her to feel happy, _____ lots of people loved her.
#33406
A
ever since
B
now that
C
even though
D
in case
Your parents have given you all the facts _____ you can judge for yourself easily
#31687
A
even if
B
as if
C
such that
D
so that