—You don’t look well. What’s wrong with you, Wang Jing?
— Last night I did my homework and didn’t go to bed_______ 11 o’ clock.
| A．when | B．until | C．till | D．if |
--They have been to Australia.
--_____.
A. So do I B. So have I C. So did I
--Have you done your homework ?
--Yes, I _____ it ten minutes ago.
A. finish B. have finished C. finished
Nothing _________ difficult if you work hard.
A. am B. is C. are
--How many people will come to Beijing this year?
--It’s hard to say ._________ people, I think.
A. Three millions B. Three millions of C. Millions of
I can’t stand __________for buses so long.
A. to wait B. waitingC. waits