--- I’d like to introduce my best friend to you , Peter .---- Thank you , Lucy . But we __________already .
—_________. — It’s Green.
I ______ a boy. My name ______ Tom.
—______ your card number? —It’s 15.
—Hello! ______—Hello! I’m Jack!
There is ________ “u” in the word (单词) ”quilt”. A. / B. a C. an the