--- I really don’t know how ________ this problem.
--- Let me see.
| A．to do with | B．to deal with | C．doing with | D．dealing with |
--- Excuse me, when and where will the next Olympic Games take place?
--- The 31st Olympic Games _______ in Rio de Janeiro, the capital of Brazil in 2016.
| A．held | B．will be held | C．will hold | D．have been hold |
---Look! Such heavy traffic!
--- I doubt _________ or not I can get to school on time.
| A．if | B．when | C．whether | D．why |
--- Our school is so beautiful.
--- Yes. So our teachers ______ at school to enjoy its beauty.
| A．prefer to stay | B．prefer staying | C．prefer to staying | D．prefer stay |
--- What do you think of the students of Meiling Middle School?
---They study _____ harder than before.[]
| A．quite | B．too | C．very | D．rather |