You can’t imagine what great trouble I had ____ his address.

It is only when an NBA player has aged and beenthrough many battles ______ he learns an important lesson: there is no “I” in“team”.

quantities of water, as well as someother timely help including a medical team ___since the serious drought hitYunnan Province

Working hard is not only a _____ of great success, but it is among the essential requirement.

We have to take care of ourselves, because we are _______a very bad situation.