—Is there anything wrong, Bob? You look sad.
—Oh, nothing much. In fact, I __________ of my friends back home.
| A．have just thought | B．was just thinking |
| C．would just think | D．will just be thinking |
It’s just _____among countries to host the Olympics as to win an Olympic Medal.
| A．much as a competition | B．as a much competition |
| C．as much a competition | D．a competition as much |
Do ____ you think is right, ____ difficulties you may have.
| A．what; however | B．that; whatever |
| C．whatever; whoever | D．what; whatever |
---Why can't I smoke here?
---At no time__________ in the meeting-room
| A．is smoking permitted | B．smoking is permitted |
| C．smoking is it permitted | D．does smoking permit |
______ it is true that a student’s most important goal is to do well in his or her studies, it doesn’t need to be the only goal.
| A．When | B．As | C．While | D．Before |
He devoted most of his time to his research, believing his hard work would___sooner or later.
| A．put off | B．take off | C．come off | D．pay off |