Where is your father, David？ I need his help．
He ______ work．（ ）
A．has been toB．has gone to
C．has been in
Super brain is a hit TV show recently． Which competitor do you like best？
I think Zhao Jinhao is one of ____ _competitors among them．（ ）
A．smartB．smarter
C．smartestD．the smartest
What would you like， juice or coffee？
____ ．I just want a glass of water．（ ）
A．BothB．NeitherC．EitherD．None
____ you please take the dog for a walk？
OK， but I have to fold the clothes first．（ ）
A．MustB．ShouldC．CouldD．May
We are in times of difficulty at present．
As long as we pull together， success must belong to ____ ．（ ）
A．usB．weC．ourD．ours
I am hungry know． I come to school ____ breakfast this morning．
You should get up early．（ ）
A．ofB．toC．atD．without