The air pollution is a serious in our country. Our government is trying to solve it.( )
choice
program
problem
opinion
单词辨音。找出画线部分与其他单词发音不同的选项。
p ear
w ear
cl ear
h ouse
s oup
sh out
f ever
ch ess
sp end
sp ace
th ank
pl ane
﹣﹣﹣"Gina,whose book is this?"
﹣﹣﹣ "It ______ be Carla's.Charles Dickens is her favorite writer."( )
must
can
may