We have happiness, ____________ stillwe have trouble sometimes. That’s life.

ou sing and dance at this late hour of thenight-Sorry, I will stop right now

We all know that the Anti-Japanese War_______ in 1937 and _______ for eight years.

Mr. Li will go to Guangzhou by air. His workmates are ______ at the airport.

Excuse me, what time is it now — Sorry, my watch doesn’t work. It ________ at the shop.