【题目】In the United States, they are expected to shake hands.

【题目】_________is a good idea to dress up as a black cat on Halloween.

【题目】Does your friend Tom often go swimming_________Sunday mornings?

【题目】We can see_________people playing in the park.

【题目】—May I borrow your pencil?

【题目】Do you know_________?

【题目】I think he sings very well_________he is only ten years old

【题目】Please remember to bring the clothes_________you bought yesterday.

【题目】The strawberries_________on the farm last year.

【题目】Mike it's dangerous to drive at night. You_________be more careful.