The ground is slippery. Hold onto the rope and don’t ____.
| A．put off | B．turn up | C．let go | D．take apart |
.___wants to join the club should sign your name here.
| A．Those | B．Who | C．Those who | D．Whoever |
.The police an organization which protects the public from harm .
| A．are | B．was | C．were | D．is |
.Don't worry.We can the liar by the way he or she acts..
| A．think out | B．carry out | C．bring out | D．pick out |
——It's too hot today.Will it rain tomorrow?
——I would rather it tomorrow.
| A．would rain | B．rained | C．rain | D．will rain |
To be honest,the scientist to unknown to me.
| A．referring;being | B．referred;is |
| C．who referred;is | D．referred;being |