Under no circumstances and at no time __________be the first______ nuclear weapons.
| A．we shall; using | B．shall we; to use | C．shall we; used | D．we shall; using |
I would rather buy a house in the suburb than ____ in the city.
| A．it | B．one | C．this | D．that |
I am glad that you have managed to come. You ___ have brought wine. We’ve got plenty.
| A．wouldn’t | B．couldn’t | C．mustn’t | D．needn’t |
I _____ on a sofa because my grandparents have come for the weekend.
| A．slept | B．was sleeping | C．have slept | D．am sleeping |
Of the two, I would prefer ____ camera, which is very easy for me to carry.
| A．a small | B．a smaller | C．the small | D．the smaller |
____ you want to remember its usage, you’d better make a sentence with the new word.
| A．Unless | B．While | C．Now that | D．Even if |