When changing lanes, a driver should use his turning signal to let other drivers know ___.
| A．whichever lane he is entering | B．which lane he is entering |
| C．whichever lane is he entering | D．which lane is he entering |
You can go out, _________you promise to be back before 11 o'clock.
| A．as far as | B．so far as | C．when | D．so long as |
---I will not come here tomorrow.
--- _____________to me, because I don’t care.
| A．It doesn’t make any difference | B．It makes much difference |
| C．It doesn’t make no difference | D．It makes a difference |
16．Please tell me how the accident_____. I am still in the dark.
| A．came by | B．came out | C．came to | D．came about |
______ with the size of the whole earth, the biggest ocean does not seem big at all.
| A．Compare | B．When comparing | C．Comparing | D．When compared |
Is it in the restaurant _____ we had dinner last Sunday ______ you left your wallet?
| A．where ; where | B．where; that | C．that ; where | D．that; that |