I______sleep very well, but then I started doing yoga and it really helps.( )
A.didn't use toB.used to
C.was used toD.wasn't used to
Now all Chinese couples______to have two children.( )
A.allowB.allowed
C.are allowedD.were allowed
Water is important to______,so there are many water festivals around the world.( )
A.everyoneB.nobodyC.somebodyD.something
Did you call Jenny?
Oh no,I forgot.I_____her right away.( )
A.calledB.have called
C.callD.will call
Sleeping is a popular way to relax______students.( )
A.onB.amongC.aboutD.between
Smoking is harmful to your /helθ/.