One of the great things about science is that it has taught us to be __________ about surface appearances. The world seems flat, but it is, in fact, round.
Before the sales start, I make a list of ______my kids will need for the coming season.
Stephen Hawking believes that the earth is unlikely to be the only planet______ life has developed gradually.
The lawyer listened with full attention, ______to miss any point.
That is the only way we can imagine______ the overuse of water in students’ bathroom.
—Peter, where did you guys go for the summer vacation? —We ______busy with our work for months, so we went to the beach to relax ourselves.