42÷7=____
口诀:____
选出不同类的单词或短语。
____ A. red B. blue C. colour
____ A.bus B. sheep C. ship
____ A. sour B. taste C. sweet
____ A. it B. what C. how
____ A. ice cream B. lemon C. banana
— It's over 2000 meters.
下列各项中,没有错别字的一句是( )