—____inthisstreet? —IthinkMr.Blackistherichestman.
| A．Whom do you think is the richest man |
| B．Who do you think is the richest man |
| C．Do you think who is the richest man |
| D．Do you think whom is the richest man |
The purpose of their explorations is as important to them as to us．
| A．they are | B．they have | C．it is | D．it has |
Besides the others, there was still third one who said he was second to reach the end．
| A．a; a | B．a; the | C．the; the | D．the; a |
________ the classroom, the teacher found all the parents already______ there.
| A．Entered; seated | B．Entering; seating |
| C．Entered; seating | D．Entering; seated |
The meeting___ last night was a great success and all the disagreements got ___.
| A．to be held; settled | B．held; settled |
| C．holding; settling | D．being held; settled |
_________ money, his parents couldn’t send him to university.
| A．Lacked | B．Lacking of | C．For lack of | D．Lacked in |