我感到难过( )A.I feel sad, B.I feel happy.
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