Cathy is taking notes of the grammatical rules in class at Sunshine School, where she __________ English for a year.
| A．studies | B．studied |
| C．is studying | D．has been studying |
My wife ______the night shift when my plane ______. That’s why no one is to meet me at the airport today.
| A．is working; is arriving | B．was working; arrived |
| C．will have worked; has arrived | D．will be working; arrives |
—Can you come up with another good idea?
—This is the best approach I can imagine __________ the work ahead of schedule.
| A．to accomplish | B．to accomplishing | C．accomplishing | D．accomplished |
The Nobel Prize in literature has been awarded annually to an author from any country _________ has produced "in the field of literature the most outstanding work in an ideal direction".
| A．which | B．who | C．where | D．as |
So absorbed _____ in the experiment that he didn’t even notice it was already over 12 o’clock.
| A．did he | B．he did | C．was he | D．he was |
Tell your doctor with a detailed medical history ______ he can give you the accurate treatment.
| A．even if | B．so that | C．in case | D．as though |