河南耐酸瓷砖厂家:Where are the boys? They _basketball over there just now.A were seen play B were seen to play

Where are the ETs? Where are the boys? They _basketball over there just now.A were seen play B were seen to play The two boys are quite d____. The boys who live in the house are physics students. where are the safest places when the earthquake takes place? what is the chinese for where are you 改错(每句一处错):Look,the boys are swiming in the river There are fifty students in the class,sixty percent of _____are boys The Greenwood Boys are a group of pop singers哪儿可以连读，请说明 cory where are you