【题目】This is _________ useful book. _________ book is Andy's.

【题目】—I can't find my cat ________. Can you help me to look for it?

【题目】 I won’t go to the concert this evening. I ________ watch the NBA on TV. It’s more exciting.

【题目】In order to speak English better, we be afraid of losing face. Because the most important thing is to practice. Remember, practice makes perfect.

【题目】The trousers are very beautiful. You should before buying them.

【题目】There will be water on the road after the heavy rain.

【题目】—Must I go through the radiation (辐射) check when I come back from Japan at the airport these days?

【题目】By the year 2015, all of China’s museums will be free to enter. We____ visit any museum without paying money.

【题目】— is the price of your father’s computer?

【题目】________ bag is new. But ________ is old.