Read and fill in the blanks. (根据句意，填写所缺词组) 1. I usually _____________________ (晨练) . 2. I often ___________________ (吃早饭) at home. 3. We ___________________ （上英语课）in the morning. 4. I _________________ (看望祖父母) with my parents on the weekend. 5. Sometimes I___________ (爬山) with my friends. 6. What's your father doing? He's ______________________ (接电话). 7. I like to_____________________ (观察昆虫) in the park. 8.1 always ______________________ (打扫房间) by myself. 9. Come and _______________________ (看一看) at the ants. 10. I'm going to ________________________ (写报告) this afternoon.