Thousands of rockets ________ with chemicals were fired into the sky to create the beautiful scenes in the Asian Games [ ]

－ Would you like to go to the English Corner with me this evening －Sorry, _______.

ll do the right thing and do what we have to do investigate crimes ______ they exist,” claimed the police officer in chief.

She says that she’ll have to close the shop ________business improves.

It _ __ last night，for the ground was wet this morning.