We should spend as much time as we _______ over our lessons.
Yesterday she sold her car, ______ she bought a month ago.
The Science Museum, ________ we visited during a recent trip to Britain, is one of London’s tourist attractions.
By nine o’clock, all the Olympic torch bearers had reached the top of Mount Qomolangma, _______appeared a rare rainbow soon.
Today, we’ll discuss a number of cases beginners of English fail to use the language properly.
After gradutation she reached a point in her careet she heeded to decion what to do.