There are _______ students in our class, twenty-two boys and eighteen girls.
Don’t you know it’s ______ useful book for English learners?
The TV show, Where are we going, Dad?,is one of the ______ programs in China in 2013.
Mr.Wang is a nice teacher.He often helps his students with ______ physics after school.
“John.who’s that woman under the tree?”“Oh,she’s my ______,Kate.She’s my father’s youngest sister.”
Eason Chen went to Chongqing for his concert ______ April,2014.