The scientist is very modest. He never______.
| A．show off | B．shows on |
| C．shows off | D．show on |
____________ the teachers is about 300 in our school and it is becoming_____________.
| A．The number of, more and more |
| B．The number of, bigger and bigger |
| C．A number of, more and more |
| D．A number of, bigger and bigger |
The earthquake ______ when I _______some cleaning.
| A．starts, was doing | B．started, was doing |
| C．was starting, was doing | D．starts, were doing |
---Let’s go hiking __________ staying at home, shall we? --- A good idea.
| A．as well as | B．in order to | C．instead of | D．because of |
--- I’m sure Jack can win the competition this term.
---Yes, I agree. _________ he works in his free time!
| A．What hard | B．How hard | C．How hardly | D．What a hard |
---I’m sorry I ______ my exercise book at home.
---Don’t forget _______ it to school tomorrow, please.
| A．forgot, to take | B．left, to bring | C．forgot, to bring | D．left, to take |