-----He promised to come to see you. ----But he _____. I’ve been all alone.
—This book by Tony Garrison is of great use for our course.—But I think his latest one is _______ worth reading.
—Haven’t you seen the speed limit sign? Please drive _______.—Sorry, but I have to.
The more teenagers watch actors smoking in films, the more ______ they are to take up the habit of smoking themselves.
To handle the financial crisis, the new government has to work more ______ with other nations, especially the less-affected ones.
—What do you think of the plan?—I feel ___that we ought to give it up at once.