Leave your key with your neighbor _you lock yourself out one day.
| A．as long as | B．in case | C．even though | D．as if |
During the ten-day vacation, they traveled to France their own expense
| A．on | B．with | C．at | D．in |
Helen is much more kind to her youngest child than to the others,___________ of course, make the others unhappy.
| A．who | B．which | C．she | D．that |
I told you that you shouldn't waste your time playing the computer games,_____________?
| A．didn't I | B．did I | C．should you | D．shouldn't you |
Towards ___________ morning, _________ heavy snow began to fall.
| A．the... a | B．an... a |
| C．a...不填 | D．不填...the |
Moreover, __________you may hardly believe, the examiners had decided in advance to fail half the students taking part in the exams.
| A．which | B．that | C．who | D．whom |