Man’s understanding of nature is developing ________. It never stays at the same level.
| A．at the right time | B．for the first time |
| C．from time to time | D．all the time |
---Must I hand in my exercise book now, Mr. Zhao?
---No, you ______. You may give it to me tomorrow.
| A．mustn’t | B．can’t | C．needn’t | D．don’t |
It __________ hard outside, let’s not go shopping.
| A．rains | B．will raining |
| C．raining | D．is raining |
For my homework I have to write a(n) about the wonders of the world.
| A．music | B．picture | C．composition | D．exam |
Huangshan is a good place to _____.
| A．go sightseeing | B．go for a sightseeing |
| C．go to sightseeing | D．go in sightseeing |
----How often were you late for school last term. Lisa?
---- _______. I got to school early every day.
| A．Always | B．usually | C．Sometimes | D．Never |