Are you and your parents going to visit friends in Shandong–Yes, and while we ____ with them, we’re going to spend a few days in Qingdao.

John’s success has nothing to do with good luck. It is years of hard work ________ has made him what he is today.[ ]

, Sally.How’s everything going— _______.

Try not to cough more than you can_____since it may cause problems to your lungs

It suddenly rained and we had to it in a doorway.[ ]