Many students are not __________ the harm of staying up late into the night, which causes damage to their health.
| A．well aware to | B．very aware of | C．aware that | D．well aware of |
_______it not been for the free ticket, I would not have gone to the cinema.
| A．Were | B．Should | C．If | D．Had |
The number of people invited __________fifty, but a number of them__________ absent for different reasons.
| A．were; was | B．was; was | C．was; were | D．were; were |
all the required papers, he didn’t answer the questions fluently in class．
| A．Having not read | B．Not having read |
| C．Not read | D．Not to read |
With everything ________, the teacher started the slide show.
| A．in the place of | B．in places |
| C．in the place | D．in place |
When help, one often says, “Thank you”, or “It’s kind of you．”
| A．offering | B．to offer | C．to be offered | D．offered |