三位四通换向阀结构图:1.He spent his weekends _____the homework.
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1.He spent his weekends _____the homework.
a.do b. did c, doing d. to do
a.do b. did c, doing d. to do
c
spend(on) doing
C
spend on sth
spend (in)doing sth.(不是on)
1.He spent his weekends _____the homework.
难道可以说He spent one hour in finishing his homework!?finish作为瞬间动词,怎么能用one hour 修饰
He spent the whole night ___________TV.
He spent the whole night ___________TV
He spent a hour reading the letter
HE KNOWS HIS OINIONS.是什么意思?
He finally confessed his crime.
he him his she her
he FELL of his bike
he is on his way