题目内容
I like getting up very early in summer. The morning air is so good ______.
| A．to be breathed | B．to breathe |
| C．breathing | D．being breathed |
B
解析试题分析：考查非谓语动词。breathe的逻辑主语是I，I与breathe是主谓关系，不能用被动，排除A、D。动词不定式可以跟在某些形容词或动词后作原因状语。故选B。
考点：考查非谓语动词
After completing and signing it, please return the form to us in the envelope ________.
| A．providing | B．provided | C．having provided | D．provide |
________ at the party, I found Tina seated alone in the front row.
| A．Arriving | B．To arrive | C．Arrive | D．Arrived |
With the computer's system _______. it can't be used at the moment.
| A．updating | B．being updated | C．updated | D．to update |
When ______ how old he was, he kept silent.
| A．asking | B．asked | C．to be asked | D．ask |
______ of danger on the road at night ,the girl had to go home with a friend _______ her.
| A．Being warned; accompanied | B．Having warned; accompanying |
| C．Warning; accompanying | D．Having been warned; accompanying |
Tom kept quiet about the accident _____ lose his job.
| A．in not order to | B．in order not to |
| C．in order to not | D．not in order to |
What a beautiful sight! Wild flowers of different colors spread all over the hills and around the lake, _______ to the beauty of the valley.
| A．to add | B．being added | C．adding | D．added |
The airport ___next year will help promote tourism in this area.
| A．being completed | B．to be completed |
| C．completed | D．having been completed |