Mr Chen told us that three fourths of the earth ________covered with water.

They are talking about the movie _____ they watched yesterday.

We’ll make a trip to Hainan Island next weekend. Will you go with us?—No, I can’t _____ it at present.

Mr. Wu found a number of magazines in the classroom ______________.

Can you catch what 1 said?—Sorry, I can_________ understand it.