Are ______ your cousins —No. I don’t know ______.

water do we need to drink to keep healthy every day—Study shows that eight glasses should be enough.

We don’t know __________ he can make a plane byhimself. It is amazing.

－Do you have Nokia E72 mobile－Sorry, they have been ________. Youmay come next week.

ce Jerry is back of you, there willbe nothing halfway. The underlined part probably means _____.