1.Ateacher＿fortheparentstopicku1.Ateacher＿fortheparentstopickup7studentswhenearthquakehappenedinLushan,Sichuan.A.waitedB.waswaitingC.iswaiting2.Thetrainisstartingreturned＿arainynight.A.onB.atC.in3.Therearem

Question

1.A teacher ＿ for the parents to pick u
1.A teacher ＿ for the parents to pick up7 students when earthquake happened in Lushan,Sichuan.
A.waited B.was waiting C.is waiting
2.The train is starting returned ＿ a rainy night.
A.on B.at C.in
3.There are many trees ＿ the road!And ＿ the trees is growing larger and larger.
A.on each sides；a number of
B.on both sides；the number of
C.on every side；the number of

Answer 1

B这句话考的是过去进行时,这个时态一般有两种情况,第一个就是在过去某个具体的时间发生的事情,第二个就是一般同时发生两个动作,一个持续时间比较长,用过去进行时,一个持续时间短,用一般过去时,从、happened可看出来是一般过,所以应该选B
A,在具体某天的早午晚用on 比如说,on a cold morning 
B ,each 加可数名词单数,所以应该是each side   both是两者都,指路的两边.后面加可数复数,所以对.every 侧重整体,不合适.the number of 是.的数量,谓语用单数. A number of +可数名词复数,谓语用复数.