________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
The reason _____ he refused to attend the meeting was that they didn’t give him an invitation earlier.
#33657
A
how
B
which
C
why
D
because
The world considers Japan to be the best prepared to deal with an earthquake emergency. _______, the March 11 earthquake, followed by a strong tsunami minutes later, still left thousands of people dead.
#32879
A
Even though
B
As though
C
Even so
D
If so
It will be quite a long time _______ she is back again, so don’t be too cross with her.
#31578
A
before
B
since
C
that
D
until