The train leaves at 6:00 p.m. So I have to be at the station _______5:40 p.m. at the latest.
This method was so easy and _______ so reasonable.
— What did he _______ when he went out? — An umbrella.
The Third World, to which China ________, refers to the developing countries.
This box______all the books you need,______those on computer.
What do you think the children______when we get home?