We had not waited __________ she came.
| A．long before | B．before long | C．after long | D．soon after |
The young man insisted that he _______ nothing wrong and ________ free．
| A．did , set | B．had done , should be set |
| C．do , be set | D．had done , must be set |
_______ his arrival at the airport , the film star was recognized and soon surrounded by a group of film stars．
| A．At | B．Over | C．On | D．to |
Seeing me, Tom---- one of my old friend, walked across the street ______ to me, saying “Long time no see.”
| A．holding out | B．shouting out | C．reaching out | D．stretching out |
．There has been rising demand for grain as _______ industrial material in spite of the nation’s good harvests.
| A．/ ;an | B．a; an | C．the;an | D．a; / |
At the meeting they discussed different ______ to the study of mathematics.
| A．approaches | B．means | C．methods | D．ways |