A strong earthquake struck Lushan county, a district of Yaan, ______ more than 100 people and ______ hundreds of others, local authorities said.
She always goes swimming ________cold it is.
—We'd like you to start work tomorrow if possible.—I'm sorry, but I can't possibly start until Monday.________?
Look out! The train ________.
Do you think exercise can keep us ________?
The teacher asked us ________ in our reports before class.