Beijing-Baotou high-speed railway ________ for several months. I have taken the train three times.
A.is open B.has opened C.has been open D.has been opened
—In the past three years, we have learned a lot from our teachers.
—They are great, so we will be forever thankful ________ them.
A.to B.for C.of D.with
—Where is Miss Li? I can't find her anywhere.
—She ________ be in the shopping mail. She loves shopping when she is available.
A.need B.must C.can't D.couldn't
— Everyone is busy preparing for the lunch. Would you clean the vegetables?
— ________. I’d rather make the sandwich.
A.A piece of cake B.That couldn’t be better C.No problem D.Anything but that
This is ________ my father has taught me—to always face difficulties and hope for the best.
A.how B.which C.that D.what
In my opinion, friends are like books. We don’t need a lot of them ________ they’re good.
A.as long as B.as soon as C.so that D.as if
