It is very important for students to grasp a _____ amount of words．
| A．some |
| B．sure |
| C．certain |
| D．particular |
Lei Lei was only too ready to help others, seldom, _______, refusing them when they turned to him.
| A．if never | B．if not | C．if any | D．if ever |
—Oh, must you? Stay a bit longer. It’s been such fun having you.
—_________. I’ve got an early start tomorrow morning.
| A．No problem | B．All right | C．Thanks anyway | D．Never mind |
—What do you think about _________ dress in the shop window?
—Oh, it’s beautiful. Linda will be pleased if she can have it as _________ birthday present.
| A．a; a | B．the; a | C．a; the | D．the; the |
We must apply what we have learned to our daily work because in no case ____ from practice.
| A．should theory separate | B．should theory be separated |
| C．theory should separate | D．theory should be separated |
—I did very well in the English exam last week. —I did _________. I got a full mark.
| A．no better | B．not better | C．no worse | D．even worse |