With his attention _________ on his book, he didn’t notice someone entering his room.
A. concentrating B. concentrated C. to concentrate D. concentrates
They have earned lots of money, so I______ believe that the business is a success.
A. mildly B. firmly C. actively D. tightly
Sales director is a position_______ communication ability is just as important as sales.
A. which B. that C. when D. where
The statistical figures in that report are not_______. You should not refer to them.
A. delicate B. accurate C. ridiculous D. urgent
As nobody here knows what is wrong with the machine, we must send for an engineer to _______ the problem.
A. handle B. raise C. face D. present
Before driving into the city, you are required to get your car_________.
A. washed B. wash C. washing D. to wash
