题目

用所给动词的正确形式填空，词数不限。 1.   Boys and girls, you should pay attention to     (pronounce) this word correctly. 2.   The young player     (remain) there for several years if the NBA takes notice of him. 3.    The boy asked his father if the earth      (move) around the sun in surprise. 4.    I     (force) to take a taxi to my office because the last bus left ten minutes ago. 5.   You can’t imagine how much difficulty the company had     (offer) the graduates more jobs.（1）解方程：x2+4x-1=0（2）计算：sin60°-2sin30°cos30°．