His mother is ______. Today is his mother’s thirtiethbirthday.A. thirteen B. thirty C. Thirtieth
— What’s this?— It’s _____________________.A. a orange B. orange C. an orange
“Everybody is playing basketball outside. Can I join them, Dad? ”“_____________, you must finish your homework first. ”
“What are you doing , Amy?” “I want to ________ these pictures on the wall.”
“Can you teach me how to sing the song YOU AND ME ?” “_________”
“How long does it take you _______to Beijing?” “More than three hours.”