—Would you mind giving your advice on how to improve our business management? 
 —if you make ____ most of the equipment, there will be ____ rise in production. 
| A.不填;不填 | B.the;a | C.不填;a | D.the;不填 | 
—Have you ________ any information? 
 —No, I’m going to ____________ the business department.
| A.picked up; call at | B.picked out; call on | C.got; call on | D.received; drop in | 
—You've made great progress in your studies of English, haven't you?
 —Yes, but much________to be done.
| A.leaves | B.keeps | C.remains | D.has | 
It is reported that the police will soon ____ the case of two missing children.
| A.look upon | B.look after | C.look into | D.look out | 
Sometimes the police are not absolutely sure that someone has committed a crime, but ________ him of having done it.
| A.charge | B.suspect | C.inspect | D.doubt | 
Considering your salary, you should _______ at least 100 dollars a week.
| A.put up | B.put forward | C.put aside | D.put out |