It is acknowledged that______shortest distance between persons is _______ sincere smile.
| A．a; the | B． the; a | C． a;不填 | D． the;不填 |
. It is only in the last sixty years that any evidence that Loch Ness Monster might exist.
| A．there has been | B．there was | C．it has been | D．it had |
.________all his courage, he invites Celine to get off the train with him．
| A．To gather | B．Gathered | C．Gathering | D．Being gathered |
. _______of the household rubbish_______recycled or reused since the new technology was applied.
| A．Three-fourth; has | B．Three-fourth; have been |
| C．Three-fourths; has been | D．Three-fourths; have |
Young people go to college with the expectation that ____________ educated people get a higher pay.
| A．good | B．better | C．best | D．the best |
Write down the key words that you __________ your students to find in the passage.
| A．make | B．hope | C．suggest | D．expect |