I usually take something to read when I travel by trainI feel bored.[ ]

way to school, suddenly it began torain, and we hurried to take______under a big tree．

Can Professor Li be in the laboratory?-He ________ be; I saw him there half an hour ago.[ ]

.Most of us know we should cut down on fat．But knowing such things isn’tmuch help________itcomes to shopping and eating．

He was asked to _______ his class making a speech atthe school opening ceremony