1) Yahya's tooth hurts. He____________________a dentist(see) a) should see b) must see c) shouldn't see d) mustn't see 2) The children don't feel well. they ___________________to school today(go) a) should go b) must go c) shouldn't go d) mustn't go 3) Drivers ___________________ceel phones when they driving(use) a) should use b) must use c) shouldn't use d) mustn't use

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