Will you help him________ you see an old man in trouble ?

 Please make a list of ______ the celebration will need for the coming New Year and I’ll do the shopping.

 Never let your mind wander when driving, ______ a car crash is probable.

______ the students found the soldier’s idea interesting, the system was too difficult to be of practical use.

It’s important to give the babysitter an emergency phone number ___ the children get hurt or sick.