The scientist does not study nature ________ it is useful to do so. He studies it because he takes pleasure in it.
| A．until | B．though |
| C．because | D．Unless |
She wears so red clothes that I easily ________ her in the crowd．
| A．pick out | B．turn out |
| C．call out | D．bring out |
---Excuse me, Dad, but I'm going to the club to meet my friends in the football team．
--- Ok．_____．
| A．Good luck | B．Congratulations |
| C．With pleasure | D．Have fun |
I can’t remember when turning point occurred exactly, but it might be summer morning when I was in New York．
| A．不填；a | B．a; a | C．the; a | D．a; the |
The number of various educational programs is increasing, _______ important roles have been realized by more and more people．
| A．whose | B．where | C．which | D．that |
The police are offering a big ___________ for information about the robbery．
| A．award | B．prize | C．reward | D．money |