--Who is the person talking with you just now? -- Well, if you ______ know, his name is David.
In the past several weeks, many cities in Northern China from heavy fogs and severe cold.
It was not just the size of the school but ________ it provides for us students________ made it unique.
____we will be admitted to an ideal university partly depends on our learning attitudes.
——Is there anything else I can do for you, Jack? ——No. Thanks. I really appreciate that you could give me some suggestions on the exam.
An accident happened at ________ supermarket a few meters away from ________ park.