单项选择题John opened the door. There()he had never seen before.
A.a girl did stand B.a girl stood C.did a girl stand D.stood a girl
单项选择题We've just moved in to a bigger house and there's lot to do. Let's()it.
A.keep up with B.do away with C.get down to D.look forward to
单项选择题Don't be 'afraid of asking for help ______ it is needed.
单项选择题______ new buildings will be built in my hometown.
单项选择题—I'm going back to see my parents this afternoon. —______.