They live on a busy main road. ______ must be very noisy.
| A．There | B．It |
| C．That | D．They |
It remains a(n) question whether middle school children should be allowed to use mobile phones at school.
| A．controversial |
| B．solid |
| C．explicit |
| D．dynamic |
--- I’m as busy as a bee these days.
--- To be honest, I do not your job.
| A．appreciate |
| B．admire |
| C．enjoy |
| D．envy |
After days of discussion, his plan to be the best one.
| A．was to prove |
| B．proved |
| C．was proved |
| D．was proving |
Knowledge through children’s own practice is lasting and will benefit them all their lives.
| A．acquiring |
| B．acquired |
| C．being acquired |
| D．acquires |
Students in the school get along well with each other though they come from different social and cultural.
| A．situations |
| B．occasions |
| C．cases |
| D．backgrounds |