In my opinion, it's the flying birds rather than the pilot that________for the air crash.
| A．are to blame | B．is to blame | C．is to be blamed | D．are to be blamed |
As a grassroots singer, she reads everything she canconcerning music, and takes every opportunity to improve herself.
| A．catch sight of | B．get hold of |
| C．take charge of | D．make mention of |
Writing out all the invitations by hand was more time-consuming than we______.
| A．will expect | B．are expecting |
| C．expect | D．had expected |
It was only after he had read the papersMr. Gross realized the task before him was extremely difficult to complete.
| A．when | B．that |
| C．which | D．What |
Only by increasing the number of doctors by 50 percent properly in this hospital.
| A．can be the patients treated |
| B．can the patients be treated |
| C．the patients can be treated |
| D．treated can be the patients |
I don’t become a serious climber until the fifth grade, ______ I went up to rescue a kite that was stuck in the branches of a tree.
| A．when | B．where |
| C．which | D．Why |