Last summer we visited the West Lake, ______Hangzhou is famous in the world.
The 13:30 train to Shanghai has been put off __________ the heavy storm.
You cannot take back your words _________ they are out of your mouth.
—What’s that noise? —There’s a truck stopping outside. It’s someone _____ something.
Remember me to your parents when you _____ them.
_____ time, the teacher had us do half of the exercises in class and complete the other half for our homework.