The book ________cover has a beautiful picture is Lily's.
A.which B.whose C.that
—Labor(劳动)education is important for students' development.
—Yes. ________schools put it into practice, students will be more independent and helpful.
A.While B.Unless C.If
—Look! People outside are wearing thick coats.
—The weather________ be very cold.
A.might B.must C.can't
Taking High School Entrance Examination one month later than usual will be ________ unforgettable event for us.
A.a B.an C.the
—Welcome back to school, Tim. I want to know________online.
—Of course, Ms. Clark, I was hard-working.
A.what you studied B.when you studied C.if you studied hard
—Why do many farmers put their products online these days?
—________them more easily.
A.To sell B.Sell C.Selling
