He is one of the most excellent students in our class, and he always _____ himself in his studies.
| A．buries | B．hides | C．covers | D．leaves |
I regret that I am unable to help you .
| A．saying | B．say |
| C．to say | D．said |
--Mr.Smith is very strict his students,isn’t he?
--Yes,he is.He is strict_work as well.
| A．with; in | B．in; about |
| C．in; with | D．with; about |
—Do you have enough to_all your daily expenses?
—Oh，yes，enough and to spare.
| A．spend | B．fill | C．cover | D．offer |
I________all the cooking for my family，but recently I've been too busy to do it.
| A．will do | B．do |
| C．am doing | D．had done |
—Why weren’t you at the meeting?
—I____ for a long distance call from my sister in America.
| A．was waited | B．was waiting |
| C．has waited | D．have been waiting |