Why not try another way _______ you may do your experiment better and more quickly?
| A．/ | B．which | C．of which | D．by which |
You look so young．Haven’t you graduated from your university?
Yes, I _______ in the English Department of Zhejiang Normal University for four years．
| A．was studying | B．study |
| C．had studied | D．studied |
All the scientific evidence ______ that increasing use of chemicals in farming______damaging our health．
| A．show; are | B．shows; are |
| C．show; is | D．shows; is |
It is required that the students _____ mobile phones in their school, so seldom _____them using one．
| A．should not use; you will see |
| B．mustn’t use; will you see |
| C．not use; you will see |
| D．not use; will you see |
Nuclear ______ be really dangerous at times even though it’s a nice energy in general．
| A．shall | B．should | C．can | D．Must |
When reading English novels, I often idiomatic expressions that I can't understand．
| A．come across | B．go over |
| C．get across | D．take over |