_______ difficult the task may be, we must finish it on time, because we can’t meet such a precious opportunity _______ we have expected.

The reporter said that the UFO east to west when he saw it

What’s that terrible noise— The neighbors _______ for a party.

Have you thought of the topic for the composition?— Not yet．I _____ it very carefully, but I haven’t decided

The people began to break the windows, but the police soon had the situation ________