We had an anxious couple of weeks, ____ for the results of the experiment.

—Come on, please give me some ideas about the project.—Sorry. With so much work _______ my mind, I almost break down.

A powerful earthquake, _____ a magnitude of 6.3, struck the Indonesian island of Sumatra today, and       at least 70 people.

Now when people refer to England, you find Wales ____ as well．

The vocabulary and grammatical differences between British and American English are so slight and few as hardly ________.