— What do you think of the price of these computers?— They are at least equal in price to, if not cheaper than, ____at the other companies.
What has your uncle bought ___ you? Will you please show it ___ me?
Chairman Mao called on us to ___ the people whole-heartedly.
The teacher said that light ___ faster than sound.
This writer’s book sells ___.
---You speak very good English. ---____.