We should move on bravely on our life journey ______ difficulty we meet with.
| A．though | B．unless |
| C．however | D．whatever |
I _____ along the pavement yesterday when some stranger came up and asked me the way to the nearest hospital.
| A．am wandering | B．was wandering |
| C．has wandered | D．had wandered |
Zhang Heng, one of _____ best-known Chinese astronomers, showed a strong interest in _____ astronomy as a child.
| A．the; the | B．the; 不填 | C．不填; the | D．不填; 不填 |
Samuel was _____ why few of his friends attended his birthday party.
| A．spotted | B．crashed | C．puzzled | D．limited |
_____ life exists on any other planet in the solar system still remains a question.
| A．Why | B．Whether | C．How | D．Where |
Later, the naughty boys _____ to the English teacher for having played a trick on her the other day.
| A．apologized | B．introduced | C．reminded | D．stared |