神马作文网Birds are seldom heard _____at night.
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Birds are seldom heard _____at night.
A.sing B.singing C.to sing D.to be singing
A.sing B.singing C.to sing D.to be singing
感官动词可以接宾语加宾补的结构：感官动词＋sb + do/doing sth.
但感官动词＋sb + do sth.在被动语态中不定式符号to不能省略．题中有seldom,所以主动语态中用原形,被动语态中用to sing .答案为C
eg:the boy was last seen playing by the river.(这里last说明看到的是正在进行的动作,所以用v-ing.)
但感官动词＋sb + do sth.在被动语态中不定式符号to不能省略．题中有seldom,所以主动语态中用原形,被动语态中用to sing .答案为C
eg:the boy was last seen playing by the river.(这里last说明看到的是正在进行的动作,所以用v-ing.)
Birds are seldom heard _____at night.
Birds are seldom heard _______at night.
what are you usually______ _____at night?
he did _____at home last night
Night Birds 歌词
英语翻译It sings at night when all other birds are asleep.One ni
When did you go to bed last night?_____at 12
【急!初三英语用所给词的适当形式填空】Birds are hardly heard____(sing) at night
Are you _____at looking after sick people in the hospital?
these birds are fun (watch) there are many birds ( ) (sing)
penguins are birds,but they are not l____ most birds.
you are birds and beasts