There ________ be any difficulty about passing the road test since you have practised a lot in the driving school.

If prices rise too high, the government has to do something _________ it. 

--It is really fun to hike and I often go hiking in the forest.--But hiking alone in the forest ______ be very dangerous.

Which _________ you rather __________, tea or coffee?

(2013·南昌三中模拟)—Do you think Jack will lend us a hand?—He is the last one to help others. He ________ lend his hand, though.