C1
1 a,pretty b,get c,send d,well
2 a,children b,chlid c,line d,sign
3 a,wait b,train c,said d,paid
4 a,mean b,weather c,head d,ready
5 a,those b,lose c,both d,goes
6 a,bus b,busy c,but d,bunch
7 a,wait b,rain c,laid d, hair
8 a,reply b,climb c,sign d,limb
9 a,neighbuor b,receive c,weight d,great
10 a,warm b,wash c,wall d,walk
1.a 9.a
2.a 10.b
3.a
4.a
5.b
6.b
7.b
8.d
ultr dài quá