5. In our class, when the bell rang and the taacher closed his book, it was a        or everyone to stand up.
#7582
A
signal
B
chance
C
mark
D
measure
推荐题目
The English language____ the rules and____ each group of people brought to Britain with them.
#5308
A
consists of; vocabulary
B
consists in; vocabulary
C
consists of; vocabularies
D
consists in; vocabularies