Every year, typhoons and losses ______ lead to are frightening though measures have been taken.

I never thought anyone would speak ill of him to his face, _________?

We _____ John’s name on the race list yesterday but for his recent injury.

Tom and Mike are in ___________ school, but they are in ________classes.

hinese saying goes, a mountain ______ be too high or an ocean too deep. Therefore, there is no end to our self-improvement.