【推荐1】Apple has given in to intense pressure from Chinese state media about its customer service practices, ________   to consumers in its second-largest market.

A．apologizing

B．apologize

C．having apologized

D．to apologize

【推荐2】_____ the chapter four times, I finally understood the author's theory．

A．Reading

B．Having read

C．To read

D．Read

【推荐3】_____ his wallet, he became very worried.

A．To lose

B．Losing

C．Lost

D．Having been lost

【推荐1】Though ________ natural resources, the area was well developed.

A．lacking for

B．lacking

C．lacked in

D．lacked of

【推荐2】The Great Wall ______ more than 21,000 km, astronauts can recognize it even in the universe.

A．measuring

B．to measure

C．measured

D．having measured

【推荐3】The film was a success, ________ huge audiences and winning many awards.

A．attracted

B．attracting

C．to attract

D．being attracted