Many young ladies in the street have __________ their summer dresses in late spring.
This is Ted’s photo. We miss him a lot. He ______ trying to save a child in the earthquake.
John and I _____ friends for eight years. We first got to know each other at a Christmas party. But we _____ each other a couple of times before that.
Visitors ______ not to touch the exhibits.
I _____ Ping –pong quite well, but I haven’t had time to play since the new year.
Selecting a mobile phone for personal use is no easy task because technology ____ so rapidly.