—Would you mind giving your advice on how to improve our business management?
—If you make ________ most of the modern equipment, there will be ________ rise in production.
| A．不填；不填 | B．the; a |
| C．不填；a | D．the；不填 |
At the foot of the hill ___ surrounded by trees.
| A．a big lake lies | B．does a big lake lie |
| C．lies a big lake | D．a big lake is lied |
--How often do you eat out?
--___, but usually once a week.
| A．I have no idea | B．It depends |
| C．As usual | D．Generally speaking |
The old man went into the room, ___ by his wife.
| A．support | B．supported |
| C．supporting | D．being supported |
The new teacher made a good ___ on the students by her rich knowledge and humorous talk.
| A．feeling | B．effect |
| C．impression | D．sense |
I’m pleased to see the problem ___ so quickly.
| A．settled | B．having been settled |
| C．be settled | D．settle |