— What ______ is Nancy in? — She is in _______ Seven.A. grade;GradeB. Grade;gradeC. grade;grade
It is important ______ students ______ carefully in class .
I decided ______ a house______ a beautiful garden .
Eric comes from________, but he speaks________ very well.
–What did you do before you came here? --I _______ in a factory.
The shirt is nice, ________ it’s not big enough.