Many people have got the habit of buying flowers for their mothers on _______.
| A．Mothers’ Day | B．the Mothers’ s Day | C．the Mother’s Day | D．Mother’s Day |
I have no idea what life would be like without water. The underlined part means “_____ ”.
| A．don’t remember | B．don’t know | C．don’t believe | D．don’t expect |
The lady _____ dancing as a hobby in her sixties, and she is really good at it now.
| A．dressed up | B．looked up | C．took up | D．put up |
Though I _____ the phone number many times, the foreigner still couldn’t write down.
| A．repeated | B．refused | C．researched | D．recognized |
Edward, you have grown up. You should learn to make your own room _____ .
| A．empty | B．noisy | C．dirty | D．tidy |
These natural disasters have warned us that everyone should start to protect the _____ immediately.
| A．amusement | B．development | C．environment | D．government |