Doctor Ma is always careful with the operations.He often says"_____".( )
A.A miss is as good as a mile
B.Many hands make light work
C.No pain,no gain
D.A friend in need is a friend indeed
Yuan Longping is ___________ great scientist.He has helped to feed the world.
/
a
an
单词辨音。找出画线部分与其他单词发音不同的选项。
sk y
cit y
tid y
p ear
w ear
cl ear
h ouse
s oup
sh out
f ever
ch ess
sp end