—— I can’t get through to the general manager’s office anyhow.
—— The line is busy. Someone＿＿＿＿＿the telephone.
A. must use B. uses C. must have been using D. must be using
The general ordered that the thief＿＿＿＿.
A. be punished B. would punish C. would be punished D. should punish
She advised us _____ carefully in her class.
A. listen B. listening C. to listen D. listened
Very loud noise＿＿＿＿＿make people ill or drive them mad.
A. should B. can C. need D. must
—— Why? Tom, your shirt is so dirty!
—— Mum, I ＿＿＿＿＿ my storeroom downstairs。
A. cleaned B. have worked C. was cleaning D. have been cleaning
She is not herself today, so she doesn’t feel like _______ food.
A. eating B. to eat C. eats D. and eat
