In our class, when the bell rang and the teacher closed his book, it was a      for everyone to stand up. 
#5564
A
signal
B
chance
C
mark
D
measure
推荐题目
Only with this         can you solve the problem.
#5684
A
way
B
means
C
approach
D
method
He is__________as a leader but he hasn’t__________in teaching.
#6061
A
success; many experiences
B
a success; much experience
C
great success; an experience
D
a great success; any experiences
The ____________ shoes were covered with mud, so I asked them to take them off before they got into __________ car. 
#7514
A
girl’s; Tom’s
B
girls’; Toms’
C
girls’; Tom’s
D
girl’s; Toms’