What did your teacher say to you just now？
He asked me ．（ ）
| A． |
how could I deal with it |
| B． |
when did I go to the library |
| C． |
why I am late for school today |
| D． |
if I would take part in the next sports meeting |
The PLA Navy（中国人民解放军海军） has been greatly helping keep world peace．As a Chinese， I am_____ it．（ ）
| A． |
responsible for |
B． |
proud of |
| C． |
full of |
D． |
known for |
With the rapid progress in high technology， 5G_____ around most parts of China in the near future．（ ）
| A． |
is used |
B． |
is using |
| C． |
will use |
D． |
will be used |
_____ we continue to kill elephants for their ivory，we humans will lose them in the end．（ ）
| A． |
If |
B． |
Before |
C． |
Until |
D． |
Although |
The program， Everlasting Classics， encourages _____ to read more classics．（ ）
| A． |
we |
B． |
us |
C． |
our |
D． |
ours |
Tom cannot run as_____as his friends， so he practices running very hard．（ ）
| A． |
fast |
B． |
faster |
C． |
slow |
D． |
slower |