It was some time _____ I realised the fact that life had become difficult for many villages in western Europe.
#92084
A
until
B
before
C
unless
D
since
推荐题目
This machine is very easy ______. Anyone can learn to use it in a few minutes.
#92224
A
operating
B
to be operating
C
operated
D
to operate
Doing your homework is a sure way to improve your test scores, and this is especially true ____ it comes to classroom tests.
#94806
A
before
B
since
C
when
D
after
More wild tigers have been seen in the forest around this area, ________ there used to be very few.
#93739
A
when
B
where
C
what
D
which
This dictionary is_______ to my translation, but that one is________.
#93286
A
a great help ; of no use
B
very helpful; of no any use
C
great help; helpless
D
important; of few importance