Li Hua is a volunteer．She will put up a sign to remind people to save every drop of water．Which of the following signs should she choose？（ ）
A．
B．
C．
D．
I's easy to clean up all the trash if we each offer to help．
Yes． ． （ ）
A．Many hands make light work
B．There is no smoke without fire
C．Where there is a will，there is a way
D．A true friend reaches for your hand and touches your heart
The environment is terrible．
I think it will be even worse the government takes actions to protect it． （ ）
A．untilB．whenC．ifD．unless
Although Yang Liping is a well﹣known dancer，she still a simple country life． （ ）
A．hopes toB．holds on to
C．used toD．leads to
Look at my new smart phone．
Wow，its so cool! When and where you it？ （ ）
A．do，buyB．have，bought
C．did，buyD．have，had