1. am(因为是now)
2.was(yesterday)
3.were(last month)
4.are(两个人)
5.is（this year）
6.are（grapes，复森姿数）念祥
7.is（a sign 单数仔春搏）
8.is（today），was（yesterday），was，were
二、
1.There was not a car in front of the house just now
Was there a car in front of the house just now
Yes,there was./No,there was'nt.
三、
1.My story book was near the watch just then
2.Their coats were put in the bedroom last week
3.There were 2 birds in the garden just then
不容易啊。。
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