Scientists found many stones ________ with numbers on the mountains.
| A．marking | B．marked | C．being marked | D．have been marked |
It is a Japanese _______to take off one’s shoes before entering a house .
| A．custom | B．signal | C．character | D．reception |
My grandfather is as _______as a yong man and hates sitting around doing nothing all day .
A.enthusiastic B.energetic D.attractive D.sensitive
Contrary to popular _______,eating carrots does not improve your eyesight .
| A．glory | B．motto | C．incident | D．belief |
It is thought that meteories (陨星)may hold clues about the ________of life on Earth .
| A．origin | B．reserve | C．basis | D．evidence |
He is having a family party in ________of his 84th birthday .
| A．favour | B．celebration | C．harvest | D．feast |