The final examination is coming up soon. It’s time for us to___our studies.

We can’t understand ______ a decision untilit is too late

A number of voiunteers _____ willing to teach in China’s rural areas.—– Yes. The number _____ getting bigger and bigger.

They were still working in the fields __ it had got dark

Inner beautity takes _____ a casual glance to appreciate and it is much more importnat than physical beauty