According to the speaker, what is the feature of air pollutants？A．Its contents often remai

A.did bring

B.does bring

C.did get

D.does get

He has ____ much time and energy for his invention.

A、contained

B、proceeded

C、consumed

D、paid

He didn’t go out to play () he had finished his homework.

A、until

B、if

C、since

D、but

He had been ______ to give up much of his time to housework.

A．ordered

B．persuaded

C．compelled

D．frightened

Wolfgang's father told him he couldn't play the piano yet because______.

A. his sister was taking lessons

B. he had to help his mother

C. he was too small

D. he had to wait for his sister to finish practising

He had been ______ to give up much of his time to housework.

A．ordered

B．persuaded

C．compelled

D．frightened

He didn't keep on asking me the time any longer as he had had his watch ______.

A．to repair

B．repaired

C．repairing

D．repair

Why did Jack say he needed some time to spend with his son？

A．Because he was very tired of his work and wanted to have a good rest.

B．Because he had promised to spare more time to stay with his son.

C．Because he had missed his son and his family for days.

D．Because he came to realize the importance of the time with his family.

______ his eyes when she told him that it was time for them to leave.

A．Hardly had he opened

B．Scarcely did he open

C．No sooner did he open

D．He had no sooner opened

______. his eyes when she told him that it was time for them to leave.

A．Hardly had he opened

B．Scarcely did he open

C．No sooner did he open.

D．He had no sooner opened