The problem is _____ difficult for me _____ solve.
| A．so; to | B．quite; to | C．too; to | D．very; to |
The reason ________ is given for her absence is _______ nobody reminded her about the meeting.
| A．which ; because | B．that ; that |
| C．/ ; because | D．why ; that |
.It is the first time the students ________ to Hyde Park.
| A．have gone | B．have been gone |
| C．had gone | D．had been gone |
.Bicycles made in China are cheaper than ________ made in Japan, but almost as good in quality.
| A．ones | B．it | C．that | D．those |
While working in the countryside , the students ________ a great deal of knowledge on plant life.
| A．looked up | B．picked up | C．put up | D．called up |
By the time she ________ tomorrow, the work ________.
| A．arrives ; will be finished |
| B．arrives ; will have been finished |
| C．will arrive ; will have been finished |
| D．arrives ; will have finished |