Milk quickly goes bad in summer it is in a fridge (冰箱).
| A．if | B．because | C．unless | D．When |
I like playing fireworks at the Spring Festival because the buildings look shiny and beautiful ___ them.
| A．in | B．over | C．under | D．on |
My uncle the club in 2010. He the club for over 3 years.
| A．joined; has been a member of | B．joined; has joined |
| C．has joined; has joined | D．has joined; has been in |
It's very to play Chinese chess with old friends at home.
| A．pleasant; / | B．interesting; the | C．pleasant; the | D．interested; / |
It’s almost eight years we _______ each other last time.
| A．since; saw | B．before; see | C．after; will see | D．when; have seen |
— Is your father a doctor in No.2 Hospital?
—No, he ___________ a farmer and now he is a driver.
| A．is used for | B．is used to being | C．used to being | D．used to be |