A society cannot be successful if it throws tradition away, but it cannot be successful ____if we do something to stop progress.
| A．either | B．neither | C．too | D．also |
Why not ride bicycles tothe countryside with us this weekend? I’m sure you will enjoy yourself and come across the unexpected things.
| A．search | B．discover | C．explore | D．desert |
On the green grass, which live in perfect harmony with people there.
| A．where live many animals | B．do many animals live |
| C．live many animals | D．living many animals |
—You may get caught in a traffic jam on the way. So, you’d better leave now.
—All right, .
| A．go ahead | B．just in case |
| C．think nothing of it | D．don’t worry |
We decided to ask Peterson to come with ushe knew the road quite well.
| A．while | B．when |
| C．even though | D．as |
—What do you think of your life in China?
—The first year was, but things have gotten better.
| A．classic | B．rough |
| C．optimistic | D．comfortable |