--- I feel so nervous before the exam that I can't sleep well at night. --- I think having a holiday will_______ help you relax.

Bicycling is a good exercise;________ it does not pollute the air.

 _________ are you graduating from the school? In several months

—Can you come and give us a talk on Thursday or Friday?—I am afraid ______ day is possible. I am very busy these days.

— I ran out of the money. Could I borrow some from you?—Sorry, I have no money, ______.