When I talked with my grandma on the phone, she sounded weak, but by the time we ___ up, her voice had been full of life.
His uncle went abroad in 2010, and _______since.
Only by seizing every possible_____ to practice can you possibly hope to improve your spoken English.
—Why do many people keep dogs as pets? —Because they are our ____ friends and they never desert their masters.
The survey ____ in our school last month shows that about three percent of the students are addicted to the Internet games.
You _____ read a book in the sun—it'll do harm to your eyes.