【正文】
D. to take part in 2. She often practices______English with her partner. A. speak B. to speak C. speaking D. spoken 3. You can______your reading speed by doing more reading. A. increase B. memorize C. repeat D. discover 4. He often makes mistakes______spelling some of words. A. with B. at C. on D. in 5. —I often chat with my friends on the Inter. —You are so smart! Will you please tell me______? A. how to do B. how to do it C. how to use D. when can I use it