1. Yes, I burst out ????.. when I ????.. .1) laugh, saw his book 2) to laugh, saw his picture 3) laugh, saw his picture 4) laughing, saw his book
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2. I can?t stop ????.. . There are some excellent jokes in this magazine.1) to laugh 2) laughing 3) is laughing 4) laughed
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3. We advise that you ????.. that fridge, you may get an electric shock.1) have to touch 2) don?t have to touch 3) should touch 4) shouldn?t touch
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4. They ????.. uniforms at school every Monday to Friday.1) must wear 2) wear 3) has to wear 4) have to wear
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5. She ????.. the piano when there was a knock at the door.1) has played 2) was playing 3) is playing 4) played
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ต้องการเฉลยข้อสอบ โปรดเข้าระบบสมาชิก
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