It is likely that water is not ____ endless resource, nor ____ that can be made once more．
| A．the; / | B．an; one | C．an; that | D．/; one |
The old professor travelled from one school to another, _______ first-hand information about the education situation in China.
| A．to gather | B．collecting | C．getting together | D．to get together |
The old man is so ______ that he has to ______ his meals every day.
| A．forgettable; be reminded of | B．forgetful; be remembered of |
| C．forgetful; be reminded of | D．forgettable; be remembered of |
—Your mother becomes more and more forgetful.
—Yes. She searched for her cellphone for a whole day last Sunday but it ___ in her coat pocket the next day.
| A．turned out | B．turned on | C．turned over | D．turned up |
—Who______ it be that is knocking at the door?
—It ______ be Father, but I’m not sure.
| A．can; must | B．can; may | C．must; can | D．may; must |
—Daddy, can you buy me a new MP3 when you go to Beijing?
—You ______ get one if you are admitted to a key middle school.
| A．shall | B．could | C．may | D．can |