Listen! The birds ______ in the trees outside our school.( )
sing
are singing
sang
were singing
单词辨音。找出画线部分与其他单词发音不同的选项。
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
Mario and his friends are making some plans _______ in an old people's home this summer.( )
work
working
to work