Does Liu Hua serve in the army?—-No,but he ___in the army for three years

______ for a long time, but he managed to catch up with his classmates at last.

Look! That fellow is too sleepy to work. He ______ up reading until midnight.

His new appointment takes _____ from thebeginning of next month.

______ paper says a park will open with ______ playground speciallv for the old.—It sounds great.