题目

下列物质灼烧时火焰显黄色的是     A、硫磺         B、NaCl       C、KCl     D、CuSO4 答案：B请根据句意从方框中选择合适的动词, 并用其适当时态填空，使句子通顺。   prepare     swim    choose     bring     find 1. The changes of our life ______________ us much happiness over the past 30 years. 2. Bob ______________ with his friends in the river when it suddenly started to rain. 3. I ______________ out who did it even if you don’t tell the truth. 4. Don’t disturb him. He ______________ for tomorrow’s test. 5. Mrs Zhang ______________ some fresh vegetables and put them in the basket.