Everyone _____ here now .Let’s ______.
| A．are ， begin | B．are ，to begin |
| C．is ， to start | D．is ，start |
________the workers were quite tired, _______ they still went on working.
A. Because; / B. Although; but C. Although; /
_____ of the teachers are women in our school.
A. Second thirds B. Two threes C. Two thirds
--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