The summer holiday is coming. Each of the students ______happy.A.am B. is C. are
My brother spent one hour ________ me with my homework.
—Have a nice weekend! —________.
—Who cleaned the classroom yesterday? —Kevin ________,I think.
—________ did she do last night? —She studied math(数学).
—When ________ Jessy ________ to New York? —Yesterday.