31.Every solid object______reflect a sound,varying according to the size and nature of the object.
No progress was made in the trade talk as neither side would accept the conditions of ______.
_____, in some areas the electricity was cut off, ______ residents in 8 counties spend their lunar New Year’s Eve in darkness.
She was afraid that unless the train speeded up she would miss her ______ to Scotland.
Just as some experts say, shopping by television will never take the place of shopping in ______ stores, because many people find shopping at a store ______ great enjoyment.
—You hate Lee, don’t you?—______. I just think he’s a bit annoying, that’s all.