One hundred and ten thousand, two hundred and six is ________.
| A．110,260 | B．101, 260 | C．110, 206 | D．101,206 |
________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