—Jane ,can you play_______ erhu .This is ______ useful book on erhu .A. the , a B. / ; a C. the ; an
——Have a nice day!——___________________.
——Let’s __________ and ___________ football on the playground.——Great!
— What do you have ______ lunch?— Only a hamburger.
Look at the ______________. Can you find the Diaoyu Island(钓鱼岛)?
__________________?It’s orange.