It’s high time that we students ______ even harder atour lessons as the national entrance examination is coming nearer.

Do you often help your mother______

They argued________the waiter________the price of the meal in the restaurant

ty ________ 6 billion yuan to preserve the character of the old town, mainly to divert water from the Taihu Lake and the Yangtze River to supply the waterway systems of the old town

You’ve done so much work that you’re ______ to pass the exam.