30. Let Harris play with your toys as well, Clare. You must learn to _____.
. It is necessary that whoever ______ recently visited the country ______ this kind of test.
His composition won first prize, ______ made him too happy to sleep for nights.
We are waiting ______ for your absence.
With little knowledge about the area he succeeded ______ many researchers failed.
A very beautiful scene spreads in front of the mountain, at the foot of which ______.