into the accident, the police concluded that both of the drivers were responsible for it．
| A．Having looked | B．Looked | C．To look | D．To be looking |
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 |
When he was there, he _____ go to that coffee shop at the corner after work every day.
| A．would | B．should | C．had better | D．might |