It is well-known that the panda lives _____there is plenty of bamboo.
Here we have beef, fish and fruit. Help yourself to ______ you like.
The professor ______ his voice to make himself ______.
I followed the man in a blue jacket thirty meters ______ me and watched him enter the hall.
My mom, who didn’t allow me to smoke, ______ when she caught me smoking.
—Jack is not in the office at the moment—Oh, he ______ those who are going to take the driving test in an hour.