Teachers recommend parents their children under 12 to ride bicycles to school for safety.
| A．not allow | B．do not allow | C．mustn’t allow | D．couldn’t allow |
_______life in a new city can be hard, it can broaden a person’s view of the world.
| A．Because | B．When | C．While | D．As |
I am wondering ___________ that comes first in the final exam.
| A．who is it | B．who it is |
| C．it is who | D．which it is |
Word came ________ a new railway station would be built in our city.
| A．what | B．that | C．which | D．who |
Not until Tom read his composition the second time ________ the spelling mistake.
| A．does he notice | B．he noticed |
| C．did he notice | D．he had noticed |
Parents should encourage their kids to take part in those activities to help them______ their confidence by giving others a hand.
| A．build up | B．turn up |
| C．pick up | D．show up |