You _______ cross the road when the traffic lights are red.

—Guess what？I came first in that contest.—Great！You ________ a lot during the past two weeks.

—Do you think the rain will affect the football match?—The players are used to such rainy weather, so it ______ make any difference to them.

―Must I report the situation of the new company to the manager now? ―No, you         . You are tired and you can do it after you have a good rest.

-- Look at that girl. Is it Susan?--No, it _______ be her. She has gone back to her home town .