1.He can't join our trip Hanoi

->We wish he could join our trip Hanoi

2.The weather was bad,but we went to school on time.

->Although the weather was bad ,  we went to school on time.

3."Why don't you ask your teacher for advice?" my brother said to me. (suggest)

->My brother suggested that I (should )  ask my teacher for advice

4.His sister isn't old enough to get married.(too)

->His sister is too young to get married

1.He can't join our trip Hanoi

->We wish he could join our trip Ha noi

2.The weather was bad,but we went to school on time.

->Although the weather was bad ,  we went to school.

4.His sister isn't old enough to get married.(too)

->His sister is too young to married