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【題目】GPS can show where you are ________ exactly. A lot of drivers like to use it.

【題目】Some students lost marks in the exam ________ because they didn't read the questions carefully.

【題目】If new energy is used more ________, there will be less pollution.

【題目】Our math teacher is very ________. He always makes us laugh.

【題目】Please call me________ as soon as he arrives. I have something important to discuss with him.

【題目】All the people are talking and laughing in the hall. It's too ________.

【題目】His father asked him to behave ________ at the party.

【題目】We should keep the classroom ________.It's our duty.

【題目】The National Day is around the corner. The streets will be very ________ during the holiday.

【題目】We're training ________ this year, so we'll have a chance to win.