The four modernizations in China will_____________ sooner or later.
| A．come back | B．come down | C．come from | D．come true |
We don’t know _______ the meeting will be held soon.
| A．when | B．what | C．whether | D．since |
--I’m worried about my English.
-- ______ harder ________ you will catch up with your classmates.
| A．Working; and | B．To work; or |
| C．Work; and | D．Worked; or |
I can’t go to the cinema with you because I _______ stay here until my mother comes back.
| A．can | B．could | C．may | D．must |
Let’s have_________ break; I want to make________ telephone call.
| A．a; a | B．a; the | C．the; a | D．the; the |
I don’t know how to begin a talk with Betty. She can sit all day long _______a word.
A. by B. with C, in D. without