当你想知道对方有多少姐妹时,你应该说: A. Do you have sisters? B. How many sisters do you have?.
play with fire . A. Do B. Don’t C. Please
do you usually go to the park ? A. How B. Where C. When
Theytennis. A. are good B. is good at C. are good at
He is good running . A. goes B. at C. to
I often ping-pong . A. go B. playing C. play