4. It is _________ that you haven’t got the right answer. You have m
isunderstood our real intention.
| A．sure | B．obvious | C．possible | D．Likely |
More and more people choose to shop in a supermarket as it offers a great ____ of goods.
| A．expression | B．mixture | C．variety | D．combination |
So difficult ______ it to live in an English-speaking country that I determined to learn English.
| A．did I feel | B．I have felt | C．have I felt | D．I did feel |
For a moment nothing happened. Then ______all shouting together.
| A．voices had came | B．did voices come | C．came voices | D．voices would come |
—How long are you staying?
—I don’t know. ______.
| A．That’s ok | B．It depends | C．Never mind | D．It doesn’t matter |
Whatever work you are doing, you should concentrate your attention ______it.
| A．to | B．towards | C．with | D．on |