Bears ______ fat stores throughout the summer and fall to have energy enough to last them through winter sleep.
| A．build up | B．pack up | C．bring up | D．take up |
Every year, a great many visitors come to visit the temple ____ the 12th century, ______ has brought a large income.
| A．dating from ;which | B．dated from;which |
| C．which dates from ;that | D．which dated from ;which |
Bob's doctor suggests _____ for a few days .
| A．that he is resting | B．that he has to rest |
| C．him to rest | D．that he rest |
There is little doubt in your mind that he is innocent, ________/
| A．is he | B．isnit there | C．is there | D．ins’t he |
It was a meeting _________importance I did not realize at that time.
| A．that | B．which | C．its | D．whose |
With the electricity _____, all the machine stopped.
| A．cut off | B．cut down | C．was cut off | D．was cut down |