—Whose T—shirt is this? Is it John's?—It ______ be his. It's too small for him.
My mother is Alice Johnson. ________ phone number is 2546809.
I am ________ ,I am an English boy.
________ your name,please? My name is Jim.
Some students are afraid of the teachers ________ strict with students.
--- How is your English study? --- Not bad. But I ______ learning English grammar.