As your instructor(教师) advised, you ought to spend your time on something ____ researching into.
| A．precious | B．worth | C．worthy | D．valuable |
The police came in __________ the thief attempted to rush out of the store.
| A．at the moment | B．the moment | C．for the moment | D．at any moment |
----Do you take _______possession of the jewels?
----No. My mother is in ________possession of them.
| A．the; the | B．the; / | C． /; / | D． /; the |
Beneath our feet ______ that our life depends on for food and clothing.
| A．the earth lay | B．the earth lies | C．lie the earth | D．lies the earth |
_______, Jack couldn’t get the door open. He had to dial 119.
| A．As he might try | B．Try as he might | C．As might he try | D．Might as he try |
The skier’s red clothes stood out clearly ___________ the snow.
| A．in | B．over | C．above | D．against |