Catherine's mother doesn’t allow her to go anywhere outside the town ________ another member of the family is along.
| A．without | B．if | C．unless | D．with |
His health failing, ______ last year.
| A．so the school gave Mr. Smith leave | B．the school had given Mr. Smith leave |
| C．so Mr. Smith went on leave from work | D．Mr. Smith went on leave from work |
As a student in Senior Three, I must work hard． ______, I should take exercise to strengthen my body．
| A．Otherwise | B．Meanwhile | C．Therefore | D．Thus |
No person __________ carry a mobile phone into the examination room during the national college Entrance Examinations．
| A．shall | B．must | C．can | D．need |
_____ about the man wearing sunglasses during night that he was determined to follow him．
| A．So curious the detective was | B．So curious was the detective |
| C．How curious was the detective | D．How curious the detective was |
I really don’t know how to thank you , but for your help, I ______ my lost necklace．
| A．couldn’t have found | B．mustn’t have found |
| C．couldn’t find | D．wouldn’t find |