John opened the door. There（）he had never seen before.

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. —______.

单项选择题—Will a pencil______ —I'm afraid not. Only a pen can be used in the exam.