More and more people choose to shop in the supermarket，for they are especially interested in the ________ of goods on offer.
| A．price | B．variety |
| C．value | D．amount |
According to a UN report，one third of the world population have no _________ to clean drinking water and health care.
| A．means | B．approach | C．channel | D．access |
Liza _ ___ well not want to go on the trip---she hates traveling.
| A．will | B．can | C． must | D． may |
Mr. Zhang is the best music teacher in our school, but he has hurt his left foot and cannot ________tomorrow's concert.
| A．take part | B．play a part in | C．participate in | D．participate |
Magaret was so ________ to hear any news of her lost son that she was almost driven mad.
| A．relevant | B．annoyed | C．bound | D．dying |
You’d better book the tickets in advance；________ we may miss the chance to enjoy the concert performed by the pop star.
A．however B．otherwise C therefore D．nevertheless