A:stressed
B:unpleasant
C:confident
D:sudde
—This apple pie is too sweet, don't you think so?
—_____. I think it's just right, actually.
下列计算正确的是( )。
3+( )<11 12<( )+5 ( )-1<6
人体的血液循环分为体循环和肺循环两部分.经肺循环后,血液变成( )