________ that he found it difficult to stop at the busy crossing.

He doesn’t lack ______ to learn. You don’t have totell or force him to do this or that.

In April last year, thousands of holiday-makers in Europe remained ___________ abroad due to the volcanic ash cloud

Just before the Chinese class, Isuddenly realized that I forgot _______ my Chinese text book.

We’d better discuss everything________before we work out the plan