--The world's population is getting larger and larger. It's a serious problem.
--Yes. Scientists will have to new ways food problem.
A. think of, to solve
B. think over, of solve
C. think about, about solving
---You look so sad. What has happened?
---Everyone _______ us to win, but we lost.
| A．expects | B．expected | C．hopes | D．hope |
--- Have you ever to Xi’an, Betty? ---Yes. I there last month.
| A．gone; have been | B．been; went |
| C．been; have gone | D．gone; went |
--- ? ---I’ve just read a copy of newspaper about the new cartoon.
| A．How can I help you | B．What are you up to |
| C．What’s the matter with you | D．How are you |
---Has your Chinese teacher been to the USA?
--- Yes. She has been there twice.
| A．ever; yet | B．yet; ever |
| C．already; yet | D．ever; already |
--- I’ve lived here three years. How about you?
--- I have lived here six years ago.
| A．since; for | B．for; for |
| C．for; since | D．since; since |