You have been working for hours. It’s no______ you are exhausted. Why not take a rest?
| A．doubt | B．wonder | C．need | D．sense |
30. It looks ______ you are ill. You should go to see the doctor.
| A．as | B．as though | C．as well | D．even though |
29. Please ______ your sister to bring the ticket for the concert.
| A．remind | B．remember | C．warn | D．Let |
28. Be careful! The slightest spark（火花）could ______ the fireworks.
| A．set about | B．set off | C．set out | D．set up |
27. The police are offering a $ 60,000 _____ for information about the killer.
| A．price | B．prize | C．award | D．Reward |
26. People generally think that smoking is a bad ______ .
| A．custom | B．habit | C．behavior | D．Action |