The boy doesn’t speak his sister, but his written work is very good. [来
| A．as well as | B．so good as |
| C．much better than | D．much worse than |
—How can we save electricity in daily life?
—By ________ the lights when we leave a room, for example.
| A． |
turning off |
B． |
putting off |
C． |
taking off |
—What are you going to do in the summer vacation?
—I ________ a volunteer in the hospital.
| A． |
was |
B． |
am |
C． |
will be |
—What’s the ________ river in China?
—The Yangtze River.
| A． |
long |
B． |
longer |
C． |
longest |
—Why are you so excited?
—All of us take pride ________ the successful coming back of the Shenzhou-13.
| A． |
in |
B． |
on |
C． |
at |
—What can we learn from Robinson Crusoe?
—We should depend on ________.
| A． |
us |
B． |
our |
C． |
ourselves |