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 supermarketYESTERDAY 昨天,一般过去时,MEET的过去式是met3.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 (w...