Homingpigeonisusefulasa______carrierbecausewhentakenfromhome,itwillreturnatthefirstopportunity.
C
暂无解析
Mrs. Smith locked both the front and the back doors before she went to bed______thatsomeone might steal into the house at night.
Inordertobuyanewcar,youshouldatleast______onehundreddollarsaweek.
______thepopularityofrobotsinJapan,thecountry’srobot-productiongrowthisslowingdown.
The proposal deserves support as it gives ______ to the needs of children.
Americans eat ______ vegetables per person today as they did in 1910.