. In our class, when the bell rang and the teacher closed his book, it was a ______for everyone to stand up.
#6715
A
mark
B
chance
C
signal
D
measure
推荐题目
According to a UN report，one third of the world population have no to clean drinking water and health care.
#5879
A
means
B
approach
C
channel
D
access
Two people were killed in the serious car _______ the other day.
#5364
A
strike
B
break
C
crash
D
incident
According to a UN report, a third of the world population have no ______ to clean drinking water and health care．
#6818
A
means
B
approach
C
channel
D
access
Foreign trade, the ____ of goods between nations, takes place for many reasons.
#5331
A
exchange
B
bargain
C
production
D
business
To our credit , China overcame all the difficulties caused by the disasters in 2008 and successfully hosted the 29th Olympic Games.
#6471
A
wonder
B
doubt
C
credit
D
point