Scientists have to work hard to keep ________ with modern discoveries and developments..
| A．company | B．track | C．touch | D．pace |
32. With a large amount of work ______, the chief manager couldn’t spare time for a holiday.
| A．remained to be done | B．remaining to be done |
| C．remained being done | D．remaining to do |
Make sure that the exercise you give the children is ________ pupil’s reach.
| A．under | B．beyond | C．above | D．within |
---Has your father returned from Africa yet?
---Yes, but he _______here for only three days before his company sent him to Australia.
| A．was | B．has been | C．will be | D．would be |
---Come in, please. This way. ______.
---Thanks. Oh, you have a nice place here.
---I’m glad you like it.
| A．Take it easy | B．Make yourself at home |
| C．Help yourself | D．How do you like it? |
All these changes will lead to a strong and powerful China, that can surprise the whole world.
| A．what | B．which | C．the one | D．one |