No matter how bright a talker you are, there are times when it's better ________ silent.
| A．remain | B．be remaining |
| C．having remained | D．to remain |
To good relationships with your teachers and classmates, you should learn to be on good terms with them.
| A．bring up | B．add up | C．keep up | D．take up |
A great number of studentssaid they were forced to practice the piano.
| A．to question | B．to be question | C．questioned | D．questioning |
________ the tower building，where you can see the whole city
| A．Standing on the top of | B．If you climb to |
| C．When you reach the top of | D．Get to the top of |
Up to now, they _______enough money for students who can’t afford to go to school.
| A．are raising | B．have been raising | C．have raised | D．had raised |
In the flats Tom was the only man from _______ bedroom the thief had stolen much money.
| A．whose | B．whom | C．who | D．where |