Điền từ thích hợp vào chỗ trống

1 If you......(not water) the plans, they...(die)
2 If I.....(get) lost, I....(ask) someone the way
3 I.....(call) him. If I....(find) his telephone number
4 We....(go) jopping if the weather....(not be) so bad
5 if thiriver....( be) populeuted , fish....(die)