Whatever you do, ________ is difficult if you put your heart into it.

Mao Zedong is remembered ________ his greatness.[ ]

A: Excuse me, where’s the nearest hotel?B: Take the No.5 bus and________ at the third bus stop.

I found my sister ______ my things and took my new magazines. What should I do?– I guess you should tell her to say sorry.

You should really smoking. It’s a terrible habit.