The teacher told us that practice____ perfect.
| A．make | B．makes | C．made | D．making |
Now that taking exercise will build up your , you should try to run in the morning.
| A．strength | B．weakness | C．energy | D．balance |
I don’t think she saw me just now. She_________ the beautiful vases.
| A．just admired | B．had just admire | C．has just admired | D．was just admiring |
Helen said she would come to my birthday party, but she hasn’t yet.
| A．dressed up | B．turned up | C．made up | D．broken up |
____some doubt among scientists about the cause of cancer.
| A．It exists | B．There exists | C．There is existing | D．It is existing |
---Try not to work yourself too hard. Take it easy.
--- Thanks. _________
| A．So what? | B．No way | C．What for? | D．You， too. |