What should we do if it _____ tomorrow?
About 110 million people moved to this city. The population is ______ as ten years ago.
.—Remember the first time we met?—Sure.You ____in the supermarket.
In the countryside, ____car is not yet ____popular means for transportation.
It's said that going to bed early and getting up early ____a widely accepted good habit.
.____is known to us is that China has won five gold medals in the 2010 Winter Olympic Games.