It is important that we _______with all that _______ in the struggle.
——Excuse me, _______? ——That’s $50 altogether, sir.
The time and effort he has devoted during the past few years ______ trees in that remote area is now considered to be of great value.
When and where to build the new factory ___ ________ yet.
The journalists at home and abroad are greatly impressed by the fact that _______ volunteers from all over the country are working hard to build _________ new Yushu.
There is a new problem involved in the popularity of private cars________road conditions need________.