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 |
—Did you lend him some money?
—No. It ________ that I didn’t have any extra money with me.
| A．turned | B．looked | C．happened | D．appeared |
The policeman came up to the lonely house with the door open, ________ there for a while and 
then entered it.
| A．stood | B．standing | C．to stand | D．having stood |
Either she or I ________ going to give a lecture to the students after class.
| A．are | B．am | C．is | D．has |
_______ the crisis of economy (经济危机) getting more and more serious, the government is searching for ways to improve people’s life.
| A．As | B．With | C．When | D．If |
Eating too much fat can ________ heart disease and cause high blood pressure.
| A．result from | B．contribute to | C．attend to | D．lead in |