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．                      

A fire broke out in the building at 7:30 on Tuesday morning, ____ in the death of a young girl.

—I'll call you ______ I arrive in Shenzhen．

—Thanks, and good luck．

Both Class 3 and our class won't be able to finish the work unless they ___ each other.

Why ____ to go abroad to study when there are so many good universities at home?

 Advertising can influence consumers' moods, ______, in turn, can influence consumers' reactions to products.