While ________ the dog, you should take care not to ________. Otherwise, it may be dangerous to strangers.
| A．walking; get loose | B．walk; be loose |
| C．walking for; get it loose | D．training; get it run |
-You won’t go to Mary’s birthday party, will you?
-Yes, _______I’m invited.
| A．even if | B．unless | C．if | D．though |
It is hoped that the president’s visit will_______a better understanding between the two countries.
| A．make for | B．count on | C．show off | D．take up |
.Influenza H1N1 is an illness that can result in death unless left_______in time.
| A．treat | B．to treat | C．treating | D．treated |
.If you are caught driving after drinking, the fine_______ be paid in cash according to the traffic rules.
| A．shall | B．will | C．must | D．should |
History is full of cases_______dreams have been a pathway to creativity and discovery.
| A．why | B．where | C．when | D．which |