(2010·辽宁高考)Doctors say that exercise is important for health, but it ________ be regular exercise.

have a talk with you at about 5this afternoon, MrSmith— All right, I ______ to my office from aconference thenIwill be waiting for you there

Another cup of coffee—No, thanks. I _____ be off. Mary is waiting for me.

My grandma will stretch her arms out to hug me________I turn up to see her

what’s your main reason for choosing one restaurant ______ another