A beam of light will not bend round the corners unless ______ to do so with the help of a
A. being done
B. made
C. to be made
D. having made
It is too early to say whether IBM's competitors will be able to ______ their products to
A. yield
B. stick
C. adapt
D. adopt
Researchers at the University of Illinois determined that the ______ of a father can help
A. involvement
B. communication
C. interaction
D. association
Which of the following is right according to the passage?
A. Some coast lines do not have two tides each day.
B. Tides are not affected by the shape of coast line.
C. The sun has as much effect on tides as does the moon.
D. Tides usually rise to the same land day after day.