The president’s speech was boring; it is ,in fact ,rather inspiring and interesting.
—How’s your tour around the North Lake? Is it beautiful?—It __________ be, but it is now heavily polluted.
—Where is my dictionary? I remember I put it here yesterday.—You __________ it in the wrong place.
— She looks very happy. She __________ have passed the exam.— I guess so. It’s not difficult after all.
The biggest problem for most plants, which ___ just get up and run away when threatened, is that animals like to eat them.
In crowded places like airports and railway stations, you __________ take care of your luggage.