logs experienced rapid growth in 2013 in China, with its operators, users and visitors several times.

Look! The ground is wet. It must have rained last night, ________？

If there __________ no buying and selling of animals , there __________ no killing .

Can we go camping tomorrow，as planned—I’m afraid not. The dark clouds aheavy rain.

What do you think of the program I am a singer Ⅲ —______ exciting program it is! I like it very much.