There ______ a lot of green grass and beautiful flowers. But now everything has gone.A. was used to be B. were C. used to be
—Learning to love is like learning to walk.
—Yes, ________ we step out bravely, we can find it easy.
although
when
unless
—How can we save electricity in daily life?
—By ________ the lights when we leave a room, for example.
turning off
putting off
taking off
—What are you going to do in the summer vacation?
—I ________ a volunteer in the hospital.
was
am
will be
—What’s the ________ river in China?
—The Yangtze River.
long
longer
longest
—Why are you so excited?
—All of us take pride ________ the successful coming back of the Shenzhou-13.
in
on
at