Who is that boy? He is my_____ .A.father B. brother C .sister
读I can play basketball well. 要注意 A. 升调 B. 降调
读Do you have any books? 要注意A. 升调 B. 降调
读What is the man? 要注意A. 升调 B. 降调
Jack helped Helen _______ her homework.A. do B. does C.did
________ climb up the tree. A. Don’t B. doesn’t C. didn’t