The Guangxi Zhuang autonomous region _______ $ 1.59 billion worth of trade with the Association of Southeast Asian Nations in the first two months of this year.
| A．has seen | B．saw | C．had seen | D．sees |
What _________ will it make whether Mr. Black tells us the story early or not?
| A．sense | B．difference | C．mistake | D．use |
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 |