1.there are a lot of () (visit) in the zoo during the hoilday
2.yesterday i ()(meet) my good friend in the supermarket
3.my sister and i () () (watch) tv at 8:30 last right
4.the boy dreams of () (become）a football star
5.my mother () () (set) the table when liu xiang () (win) the 110m hurdles.
6.most () (child) are ()(scare) to be in hospital.
7.i () （） （surf)the internet at 8:00 yesterday evening.
8.() (farm) are much richer than they were ten years ago
there are a lot of （visitors ) in the zoo during the hoilday
缺少主语，故变为名词‘ 游客’ ，要用复数。
2.yesterday i ( met) my good friend in the supermarket
YESTERDAY 昨天，一般过去时，MEET的过去式是met
3.my sister and i (were ) ( watching ) tv at 8:30 last right
昨天晚上8：30，要用过去进行时。
4.the boy dreams of ( becoming ）a football star
介词OF，后接动词的ING形式。
5.my mother (was) ( seting ) the table when liu xiang ( won) the 110m hurdles.
when 引导的从句：当一个动作发生（过去时），另一个动作正在进行（过去进行时）
6.most ( children ) are ( scared ) to be in hospital.
第一空名词复数，be scared 害怕
7.i (was ) （ surfing )the internet at 8:00 yesterday evening.
昨晚8点时，要用过去进行时。
8.( Farmers 名词复数‘ 农民’ ) are much richer than they were ten years ago
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visitors 因为visit可以作名词
met 过去时态
were watching 过去进行时态，在某一时间正在做什么
becomming dreams of相当于一个动词，后面接ing形式
was setting，won
children ，scared 第一个复数，第二个be scared to do 害怕做某事
was surfing 和第三题一样
farmer 农民