Earth Day is celebration of life and our planet. It is a reminder that we need to ________the world we live in and that we should learn to respect life and nature.
| A．care about |
| B．think of |
| C．refer to |
| D．watch out |
Having checked the doors were closed and ______ all the lights were off, the boy opened the door to his bedroom.
| A．why | B．that | C．when | D．where |
______ is often the case is that Tom doesn’t study hard and fails in passing an exam.
| A．That | B．What | C．It | D．As |
Great changes __________ in this city over the past five years.
| A．took place | B．have been taken place |
| C．were taken place | D．have taken place |
Last Sunday a few of us arranged to meet in town, but Jenny didn’t _______.
| A．give up | B．make up | C．turn up | D．take up |
The student _____ from the training so much that he was _____ the first prize in the event.
| A．benefited; awarded | B．awarded; benefited |
| C．gained; earned | D．earned; gained |