President Nixon was deeply_____in the Water Gate problem at that time.
| A．included | B．involved | C．concerned | D．affected |
T appreciate that it's not easy for you, but you ______ try to get here on time．
| A．may | B．must | C．will | D．can |
—Sorry we're late．We ______ the wrong turning．
—That's all right．Come in, please．
| A．take | B．have taken | C．took | D．had taken |
You can try to guess the meaning of ______ words you don't know from ______ passage．
| A．the; 不填 | B．the; the | C．不填;不填 | D．不填; the |
The hike costs ￡2,500 ____all fights and accommodation.
| A．including | B．include | C．included | D．to include |
_____ the group guide, all teams have cookers and porters.
| A．In addition | B．Due to | C．As well as | D．As well |