I am afraid he’s more of a talker than a doer, which is ______ he never finishes anything.

The experiment shows that proper amounts of exercise, if _____ regularly, can improve our health.

diet, Michael Jackson chooses vegetables andfruit in ______ to any kind of meat.

, about 40 houses have fallen down underthe weight of the snow , with 22people

Excuse me , would you please speak a little more ____—Sorry, I thought you could follow me.