—Nowadays a growing number of people go to work by bike.
—Bicycling is good exercise；________it doesn't pollute the air.
| A．therefore | B．moreover | C．however | D．otherwise |
Zhang Hong is said by heart 2000 words up to now .
| A．that she has learned | B．to have learned |
| C．to learn | D．having learned |
They really have a great time too , designing everything , drawing the blue prints , the angles and so on .
| A．looking out | B．taking out | C．finding out | D．figuring out |
—Was it in 1969 the American astronaut succeeded landing on the moon ?
—Yes , that’s right .
| A．when ; on | B．that ; on | C．which ; in | D．that; in |
．—Who did you stay with ?
— .
| A．Mr Green’s | B．The Greens | C．Greens | D．The Mr Green’s |
—What about the books ?
—Books of this kind well .
| A．sell | B．sells | C．are sold | D．is sold |