﹣Hello， Sally! Can I see Mr． Brown？
﹣____．I'll tell him you are here．（ ）
A．What a pityB．Just a minute
C．CongratulationsD．Never mind
Mary， do you prefer weekdays or weekends？
Of course weekends． Because I'm _____________on weekdays．（ ）
| A． |
busiest |
B． |
busy |
| C． |
the busiest |
D． |
much busier |
Plenty of people went to America in _____________．
So they did． My grandfather was one of them． He went there in his_____________．（ ）
| A． |
1990s； thirties |
B． |
1990s； thirty |
| C． |
the 1990s； thirtieth |
D． |
the 1990s； thirties |
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 |
My parents are crazy about Running Man． How about your parents？
_____________my dad_____________ my mom likes it．They are interested in The Voice of China．（ ）
| A． |
Not only； but also |
B． |
Both； and |
| C． |
Either； or |
D． |
Neither； nor |
The doctor warns Jack _____________stop _____________because it is bad for his health．（ ）
| A． |
to； smoking |
B． |
not； to smoke |
| C． |
to； to smoke |
D． |
not to； smoking |