. 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
You are _________ to have such a good teacher.
#5048
A
fortune
B
fortunate
C
fortunately
D
unfortunately
---- Can you show me how to use Ipad 2? ---- Why don’t you just read the _____?
#6080
A
instruction
B
introduction
C
description
D
directions
Now that there are only a few minutes left, we’d better talk about the plan in _____.
#6893
A
short
B
secret
C
all
D
general
Form their ________ on the top of the TV Tower, visitors can have a better view of the city.
#7522
A
stage
B
position
C
condition
D
situation
In this experiment, the famous professor showed three different____ to the study of physics．
#7197
A
means
B
methods
C
ways
D
approaches