Try not to cough more than you can________since it may cause problems to your lungs.
| A．check | B．allow |
| C．stop | D．help |
Two professors at Harvard University published a study of 3,300 new graduates, looking at ______ their names had any bearing on their academic performance.
| A．that | B．how | C．why | D．whether |
Overloaded with work, school teachers now get far less sleep than they ______.
| A．shall | B．should | C．may | D．might |
—Guess what! We’ll have a chance to visit our sister school in Denmark this summer!
—How nice! You ________ a different culture then.
| A．will have experienced | B．have experienced |
| C．have been experiencing | D．will be experiencing |
The record about the massacre (大屠杀) is fairly clear and beyond dispute ______ those activities the Japanese soldiers were involved in.
| A．in memory of | B．with assistance of | C．with respect to | D．in place of |
One third of the Ukrainian population live in the eastern region near Russia and speak Russian, most of them ______ closer to Russia.
| A．are feeling | B．feel | C．feeling | D．are felt |