If I remember correctly, _______was ten years ago that your brother went to Canada.
Though _______ abroad for years, many Chinese still ______ the traditional customs.
In winter, the town is often _____by snow.
His subtle acting made _________ people laugh, feeling more _______ their lives.
Farmers here _________keeping the soil rich and _________diseases.
One of her achievements is helping us understand _________ chimps ______ like humans.