—Jane ,can you play_______ erhu .This is ______ useful book on erhu .A. the , a B. / ; a C. the ; an
I saw Ken in the meeting room, he ______ Joe for the school magazine.
The pet dog is warm and loving, It ______ as a daughter of my family.
Monica, you ______ the exam! Congratulation!
Water is the cheapest drink. And it is also ______.
The teacher is already standing here. Do you know when she ______?