–When did the earthquake of Ya’an happen?–It happened _______ April 20, 2013.
This kind of car __________ in Japan.
I don’t think it ____________ tomorrow.
Han Mei and Lucy are good friends. They are in ____________.
I enjoy learning English ________ it takes me a lot of time.
After class, I like playing computer games and chatting ___ my friends ___ the Internet.