look ,Class3（be)all__(have) an English lesson.

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look ,Class3______（be)all________(have) an English lesson.

are; having
1.class,group,staff等词表示全体人员时,都是集合名词,后跟谓语复数形式；表示本义的班级集体时,后跟谓语单数形式；
2.look一词表达出正在进行时的时态

look ,Class3______（be)all________(have) an English lesson. I____something to cook.A:look at B:look for C:look after D:look up _______ the notice board carefully.a.look b.look for c.look at d.look up I ( ) the store every night.A.look like B.look forC.look out D.look after I___caerfully,but__nothing.() A:look;look B:see;see C:look;see D:see;look please____my motherA look after B look 应该选哪个,为什么 it ( )nice .A,look B,look C,looking look look! look look look look. look look look look look