writing the article, Mrs. Curie even forgot her dinner.
| A．Absorbed in | B．Absorbing at | C．Having absorbed by | D．To absorb in |
Tom,you and I could hardly work out the mathematic problem, _______?
| A．could you | B．couldn’t I | C．couldn’t we | D．could we |
Even many years after his divorce, he still couldn’t figure out the reason for his ____ marriage.
| A．to fail | B．to be failing | C．failing | D．failed |
— Has Mr. Tom White arrived?
— Yes, already. _____ he wait outside or just come in?
| A．Shall | B．May | C．Could | D．Must |
So far this year, no measures _______ against cruelty to animals despite their protest in the
newspaper.
| A．have taken | B．have been taken | C．had been taken | D．had taken |
The boy can speak English _____ his elder brother, but his written work is just_____ excellent.
| A．as good as, than | B．as easy as, than | C．as well as, as | D．as fluent as, as |