----Is Jack in the next room ?

----Well, it’s hard to say. But I heard him ______ loudly when I passed by just now.

A. speak B. to speak C. spoken D. speaking

D 【解析】 句意：——湯姆在隔壁房間嗎？——嗯，很難說。但是當我剛才經過的時候，聽到他正在大聲講話。hear sb. doing sth. 聽見某人正在做某事，現在分詞短語作賓語補足語，hear sb. do sth.聽見某人做過某事，根據when I passed by just now（剛才我經過時）可知，是強調動作正在進行，故答案選D。

The student corrected his paper carefully, ____the professor’s suggestions.

A. follow B. following C. followed D. being followed

B 【解析】句意: 根據教授的建議，學生認真地修改了論文。A. follow動詞，跟隨、遵循；B. following 現在分詞或動名詞，跟隨、遵循；C. followed過去式或過去分詞，跟隨、遵循；D. being followed現在分詞的被動結構。根據句意可知，本句為現在分詞作狀語，它的邏輯主語就是句中的主語。故選：B。

When I walked past the park, I saw some old people ________ Chinese Taiji.

A. does B. did C. doing D. are doing

C 【解析】 試題解析：句意：當我經過公園的時候，我看見一些老人在打太極拳。看見某人在做某事用see somebody doing something，所以選C。

I found a letter _________ on the floor when I came into the classroom.

A. lying B. lay C. lie D. lies

A 【解析】 試題句意：當我進教室的時候，我發(fā)現地板上有一封信。Find sb doing sth發(fā)現某人做某事，所以選A。

He wants to have his TV ________.

A. repairing B. repaired C. to repair D. to be repairing

B 【解析】句意: 他想找人修理他的電視機。A. repairing現在分詞或動名詞，修理；B. repaired過去式或過去分詞，修理；C. to repair不定式，修理；D. to be repairing動詞不定式的進行時態(tài)�！� have + sth. （賓語）+ 過去分詞（賓語補足語）”意為“讓 / 叫 / 使 / 請別人做某事”。賓語sth. 后面用過去分詞作賓語補足語，說明st...

Seeing their teacher _______ into the classroom, they stopped _______ at once.

A. walk; telling B. entering; to speak C. enter; to tell D. walking; talking

D 【解析】 see sb doing sth看見某人在做某事；stop doing sth停止做某事。

______ the bad news made him cry.

A. Hear B. Heard C. Hearing D. Is hearing

C 【解析】句意: 聽到這個壞消息，他哭了起來。A. Hear動詞，聽到；B. Heard過去式或過去分詞，聽到；C. Hearing現在分詞或動名詞，聽到；D. Is hearing進行時態(tài)的結構。根據句意可知，本句缺少主語，動名詞可以作主語。故選：C。

When a man’s heart stops ______ , he dies.

A. to beat B. beating C. beat D. beaten

B 【解析】句意: 當一個人的心臟停止跳動時，他就死了。A. to beat不定式，跳動；B. beating現在分詞或動名詞，跳動；C. beat動詞，跳動；D. beaten過去分詞，跳動。stop doing，意為“停止做某事”，表示停止正在做的事情,符合本題語境；stop to do, 意為“停下來做某事”，to do是要做的事情。故選：B。

It goes without _______ that knowledge is important.

A. says B. to say C. saying D. said

C 【解析】句意: 不言而喻，知識是重要的。A. says動詞三單、說；B. to say動詞不定式，說；C. saying現在分詞或動名詞，說；D. said過去式或過去分詞，說。without介詞，沒有；后跟名詞/代詞/動名詞。 故選：C。

We'd better ________off our mobile phones. The meeting will start in a minute.

A. to turn B. turning C. turn D. turned

C 【解析】句意: 我們最好關掉手機。會議馬上就要開始了。turn off關掉。根據“had better+動詞原形”，最好做某事，所以本題使用動詞原形turn。故選：C。