Can you think of a way of __________ the problem?
| A．solve | B．to solve |
| C．solving | D．solved |
Mr. Smith invested a large amount of money in the city of Qingdao, from which he will _____ a lot in the future.
| A．benefit | B．result | C．contribute | D．devote |
They must try every means to _____ out flies and other insects in the restaurant to guarantee food safety.
| A．take | B．put | C．pick | D．wipe |
To make members of team perform better, the trainer first of all has to know their _____ and weaknesses.
| A．strengths | B．benefits | C．techniques | D．abilities |
After searching the mall for a whole afternoon, the mom finally bought a nice skirt, as a present for her young daughter, at a _____ yesterday.
| A．discount | B．bargain | C．pay | D．cost |
Someone is ringing the doorbell. Go and see _______.
| A．Who is he | B．who he is | C．Who is it | D．who it is |