When this new kind of virus broke out at first in Mexico, no one had the least idea that it would _______ so rapidly throughout the world.
—I wonder if Tina __________ our conference. —So do I. I'll ring you up if she __________.
—Which of the four sweaters will you choose?—__________. They look nearly the same, and I just need one.
—Mummy, could you buy me a skirt like this?—Certainly. We can buy __________ one than this, but __________ this.
It's so nice to hear from her again. __________, we last met more than thirty years ago.
—The government is thinking about reforming the health care system. I think it's a good point. —__________. I think it's really a good idea.