We will __________ greater importance to bringing into China advanced know- how, human talents and intellectual resources.
We entered the café and sat down by the window, waiting ________.
With so many exercises ________, the students are having a hard time.
Whom do you expect to have ________ the baggage to the airport?
The airport is far from here, and ________ there on time, you'd better take a taxi.
The old couple walked rather slowly, and could be seen, from time to time, to stop and rest, ________ out to sea.