Birds are seldom heard _______at night.
来源:百度知道 编辑:UC知道 时间:2024/06/27 06:32:17
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
答案为C
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 .
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.)
B答案
如they are heard singing in the room!
be heard doing被听到正在干某事
C 差点选了A
heard 不可以省略
B
Why are male birds usually more beautiful than female birds?
Birds are seldom heard _____at night.
Birds are seldom heard _______at night.
There are _____ fish or birds.
The birds is are on the tree
-Why are the birds flying near the ground?
Look!What a ____building!The birds are flying ____ there.
"How many birds are in the tree?"对吗?
import birds from flocks that are disease-free
Hearts are to peole ( ) wings are to birds.这道题到底用 as 还是 what?