─Do you know_____second-hand smoke? ─To protect our health and memory.
A.how we should prevent | B.how we should prevent |
C.why we should prevent | D.whether we should prevent |
We all know that we’ll meet all kinds of difficulties in our lives in the future. We should learn to be ________ any challenge!
A.confident enough to take on |
B.active enough to take up |
C.enough careful to take try on |
D.enough patient to try out |
—My cousin is good at all his subjects at school, but he never ________.
—What a ________ boy! We should learn from him.
A.gets off; thoughtful | B.takes off; energetic |
C.shows off; modest | D.puts off; curious |
My best friend Alex failed in the math competition. I’d like to _________.
A.dress him up | B.pick him up |
C.cheer him up | D.get him up |
It’s creative _______ you _______ this good idea.
A.of; to come up with | B.for; to come up with |
C.of; think of | D.for; to think of |