It makes great sense to check and ____________ thebrakesregularly.

In the following two hours he was _____ the performance, because it turned out to be as wonderful as he had expected.[ ]

No matter what happens, the fact that DiaoyuIsland belongs to China will ______ change.

Doing lots of listening practice is one of best ways of becoming ______good language learner.

They had a wonderful time _______________ .