Bob is ________ at the map to find where Beihai Park is .A, looking B. looks C. looked D. look
The farmer was very thankful to the doctor _________ saved his son.
—Would you like _________ Shijing Hill with us next Sunday afternoon?—I will go with you unless my mother _________me.
—______ have you been learning English?—Since seven years ago.
I don’t study as ______ as Amy and always make more mistakes in my homework.
Though English is very difficult to learn, _____ Li Ping _____ Li Lei speak English well.