I.
1.C
2.B
3.C
4.A
5.C
6.A
7.C
8.C
9.A
10.C
II.
1.is waiting
2.go
3.didn't come
4.had
5.was - arrived
III.
1.Hoa's mother wrote her sick note yesterday.
2.Nam had a bad cold.
3.We enjoyed our summer vacation
4.My brother is one meter 70 centimeters tall
5.Did you see her at the meeting last night?
IV.
1.What's your brother's height?
2.How heavy is the parcel?
3.How heavy was you last year?