九、不定式的否定形式：否定形式是在不定式的標(biāo)志to前邊加not a

　　39)that new information to anyone else but the sergeant.

　　[A] They asked him not to give [B] They asked him to don't give

　　[C] They asked him no give [D] They asked him to no give

　　40)Please remember lights on in the future.

　　[A] don't leave [B] not to leave [C] not leaving [D] don't to leave

　　41)The teacher told [A] the students to don't [B] discuss [C] the take?home exam with each other

　　十、介詞except和but(作“只有……，只能……”講時)跟不定式結(jié)構(gòu)(but與不帶to的不定式連用)

　　He seldom goes back home except to ask for money from his parents.

　　He did nothing there except watch TV for the whole night.(不帶to的不定式)

　　I had no choice but to stay in bed.

　　Last night I did nothing but prepare my lessons.

　　42)Lots of empty bottles were found under the old man's bed.He must have done nothing but .

　　[A] drink [B] to drink [C] drinking [D] drunk

　　43)When the streets are full of [A] melting [B] snow,you cannot help but getting [C] your shoes wet