1. It rained hard yesterday. I went to school on time.

@ Although ………………………………………………………………………………………………

2.  Our school is greener. We grow trees.
@ If …………………………………………………………………………………………….          3.  Noone in my class is more intelligent than Petter.

@ Petter ……………………………………………………………………………………

         1.a 2.a 3.a 4.c 5.a 
Chúc__Mọi__Người__Học__Tốt