What air the speakers going to do?
A. Cook dinner.
B. Go shopping.
C. Order dishes.
______ the difference between the two research findings will be one of the worst mistakes
A. Ignore
B. Ignoring
C. Ignored
D. Having ignored
______ scientists haw learned a lot about the universe, there is much we still don‘t know.
A. Once
B. Since
C. Though
D. Unless
What can we learn about the first experiment?
A. Sparrow"s team typed the information into a computer.
B. The two groups remembered the information equally well.
C. The first group did not try to remember the formation.
D. The second group did not understand the information.