It has been announced that all the students ____ put on masks before going to school in case they are infected with SARS virus.
| A．shall | B．will | C．need | D．may |
_____ more visitors，the Beijing Garden Expo Park gives roses to visiting couples．
| A．Attracted | B．Attracting |
| C．To attract | D．Having attracted |
—Cathy，did you attend the lecture given by Mr．Black last night？
—No．I ______ a report at the office．
| A．was writing | B．wrote |
| C．had written | D．have been writing |
– Sally, do you mind if I take off my jacket?
-- Of course not. _______.
| A．It doesn’t matter | B．Make yourself at home |
| C．Enjoy yourself! | D．Forget it |
It’s our hope that we will play a greater role in the market place and, _____, supply more jobs.
| A．however | B．anywhere |
| C．therefore | D．otherwise |
—Sorry, Mum! I failed the job interview again.
—Oh, it's too bad. You__________ have made full preparations.
| A．must | B．can | C．would | D．should |