I.语法专练（一） (每题2分，共40分)
1. B Selecting a mobile phone for personal use is no easy task because technology _____ so rapidly.
A. is changing B. has changed C. will have changed D. will change
2. B I _______ ping-pong quite well, but I haven’t had time to play since the new year.
A. will play B. have played C. played D. play
