Never _______ protecting our earth. It is the only nice planet for us to live on.
#53246
A
leave for
B
learn about
C
give up
D
look up
推荐题目
Tina isn’t so quiet as she . She is much more outgoing now.
#59091
A
did
B
used to
C
was used to
D
used to be
The result is so ______ that we can hardly believe it.
#59684
A
surprising
B
surprised
C
amazed
D
surprise
—Your mother be over forty! She looks so young! — Thanks. She will be happy.
#53122
A
mustn’t
B
may not
C
can’t
D
needn’t
—Hi，dear! I’m phoning to_________ you that it is time to take your medicine． —Thank you．
#55679
A
remind
B
remember
C
advise
D
order