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
He had ______ in finding Mr. Green’s house.
#6721
A
many difficulties
B
many difficulty
C
much difficulties
D
much difficulty
The dress is nice but she doesn’t like the ______ on the material.
#6177
A
shape
B
pattern
C
size
D
model
Many scientists have believed that there may be a _________of life on the Mar．
#5631
A
mark
B
signal
C
sigh
D
sign
—Sorry , but I can’t visit you tomorrow .—Come whenever it is to your .
#6074
A
preference
B
pleasure
C
convenience
D
connection