.
_______a bicycle to use,you have to insert a special card.
| A．Taking | B．To take | C．For taking. | D．Taken. |
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 |
．The children were warned of not being too _______ about things you are not supposed to know.
| A．strange | B．amusing | C．curious | D．satisfied |
It was difficult to guess what her _____ to the news would be.
| A．impression | B．comment | C．reaction | D．opinion |