John hadn’t been able to stop smoking suddenly;he had to control his smoking desire ________.
| A．by and by | B．sooner or later | C．little by little | D．from time to time |
I really appreciate ____ to help me with my maths, but I’m afraid that I have no time this week．
| A．you to offer | B．it you offer |
| C．your offering | D．this you are offering |
_____ all my teachers, Mr． Moore is the one who impresses me most．
| A．At | B．On | C．To | D．Of |
Unfortunately, ____ stone hit him on ______ head and he got injured．
| A．the; a | B．a; 不填 | C．a; the | D．the ; the |
Though he doesn’t achieve his goals, he is not a failure． ____, he is remembered as a true hero．
| A．In particular | B．On the contrary |
| C．Generally speaking | D．To be honest |
– I was going to the concert with you his weekend, but I can’t now．
-- ______．
| A．Good luck | B．Bad luck |
| C．You’re welcome | D．That’s right |