Our teacher is always busy preparing lessons
until 11 o’clock at night, ______we students have gone to sleep.
| A．that time | B．by which time |
| C．by that time | D．which time |
___________ made the school proud was ___________ more than 90% of the students had
been admitted to universities.
| A．What; because | B．What; that | C．That; what | D．That; because |
It was hunger that his great-grandfather amd grandfather _________.
| A．died of | B．died out | C．died down | D．died away |
_______out papers to be thrown away and put the rest back.
| A．Find | B．Make | C．Sort | D．Look |
---The bag looks very heavy. Do you need a hand?
---________. I can make it.
| A．No, thanks | B．All right | C．Never mind | D．Yes, I do |
Take an umbrella to ______you from the rain, which may ___you from taking a walk.
| A．protect; stop | B．protect; protect |
| C．prevent; protect | D．prevent; keep |