If he takes up this job, he will have no choice but ________ a much greater challenge.
—Is Julie coming? —Well, it all depends on ________ she's got the time.
The rescue team has saved more than ten people________under the collapsed buildings since the earthquake occurred in Ya’an.
-You must call them every week.-Yes, I _____.
Successful people are always very intelligent.They can discover________others easily ignore.
I took my driving license with me on holiday, I wanted to hire a car.