—I wonder     Tom will come to our party.—He will when he finishes his work, I think.

—How long has John been here? — Two years, _______ he still has no friends.

—What do you think of the two pairs of trousers?—They don’t fit me well. They are _______ too long _______ too short.

They went on working ________the heavy rain.

A snake bit him ___________ he went to see a doctor at once.