1. 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. 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
3. I wonder why Jenny _______ us recently. We should have heard from her by now.
A. hasn’t written B. doesn’t write
C. won’t write D. hadn’t written
