Jenny has gone to Shanghai on business，but she'll be back in 3 days．I will call you_____（ ）
| A． |
as soon as she returns |
| B． |
when she will return |
| C． |
after she returned |
| D． |
if she will return |
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/．