China is going to use AI to protect the Great Wall．
Great! AI is so helpful that people _____________use it in their daily life now．（ ）
| A． |
must |
B． |
can |
C． |
shall |
D． |
have to |
Yesterday the teacher told us the earth the sun．（ ）
A．goes aroundB．went around
C．is going aroundD．would go around
is it from your home to school？It's about two kilometers．（ ）
A．How longB．How farC．How soonD．How often
May I speak to Mr．Smith？
，plesae，Here he comes．（ ）
A．Hang outB．Pick upC．Take upD．Hold on
You'd better not make a decision without thinking it over， you may regret it later （ ）
A．andB．butC．orD．so
It is said that the project connecting mainland and Hong Kong soon．（ ）
A．is completedB．has completed
C．will completeD．will be completed