After the new technique was introduced, the factory produced _____ cars in 2010 as the year before.
| A．as twice many | B．as many twice | C．twice as many | D．twice many as |
Thanks for giving me ______ advice, but it’s difficult ______ me to carry it out.
| A．such a good; for | B．so good; for | C．such good; for | D．so good a; for |
If you ____________ Mary, ask her to come and see me.
| A．lose sight of | B．catch sight of |
| C．are in the sight of | D．are at the sight of |
It was in the university ten years ago, _________ they met in September for the first time, _________ they fell in love with each other.
| A．that; when | B．when; that | C．that; where | D．where; that |
Professor Smith, along with his assistant, ________on the project day and night to meet the deadline.
| A．work | B．working | C．is working | D．are working |
Some researchers believe that there is no doubt ______a cure for AIDS will be found.
| A．which | B．that | C．what | D．whether |