1. It is hot and dry; the flowers need ______.

　　A. being watered B. be watered C. to water D. to be watered

　　【答案】D 這里是固定用法，need to be done前面的被修飾詞與be done的動(dòng)詞是被動(dòng)關(guān)系。need to be done=need doing。

　　2. What __ next will be discussed at today's meeting.

　　A. will do B. to do C. shall we do D. to be done

　　【答案】B 本題考察動(dòng)詞不定式做主語(yǔ)，What to do 是固定用法，此處不定式to do 表示將來(lái)要做的事情;如果選A項(xiàng)則沒(méi)有主語(yǔ);選擇D項(xiàng)則沒(méi)有謂語(yǔ);如果選C，應(yīng)改為 What we shall do ,因?yàn)樵趙hat, which, where 這種特殊疑問(wèn)句引導(dǎo)下的問(wèn)句中做主語(yǔ)時(shí)，句子要用陳述句語(yǔ)序。

　　3. My room is a mess. It needs ___.

　　A. to be tidying up B. tidying up C. to tidy up D. tidied up

　　【答案】B。句型：主語(yǔ)(物)+need(want，request)+doing(to be done)，后面用動(dòng)名詞的主動(dòng)形式來(lái)表示被動(dòng)含義或不定式的被動(dòng)形式來(lái)表示。The house needs cleaning.(to be cleaned)：這房子需要打掃了。The radio needs repairing(to be repaired).這臺(tái)收音機(jī)需要修理了。

　　4. Good medicine _____ bitter to the mouth.

　　A. tastes B. tasting C. to taste D. is tasted

　　【答案】A。主動(dòng)表被動(dòng)。

　　5. There are many good films played by Cheng Long that are worth________.

　　A. to be seen B. being seen C. seeing D. to see

　　【答案】C。這有很多成龍演的好電影。Be worth doing值得做某事。