Each couple in China can have two_____from January 1st，2016（ ）
| A． |
boy |
B． |
girl |
C． |
children |
D． |
child |
Life is like a story． What matters is not how long it is but______．（ ）
A．how good it isB．how good is it
C．what good it is
China is getting better at making hi﹣tech products ______ can be bought in all parts of the world．（ ）
A．whoB．whichC．what
Of the two physics problems， Martha just finished ______ one．（ ）
A．the most difficultB．the least difficult
C．the less difficult
Perfect photos! Good skills!
Thank you． They ______ by my Huawei mobile phone． In fact， I am not skillful at all．（ ）
A．tookB．were taken
C．will be taken
I ______ abroad for several years， but I have never regretted my final decision to move back to my motherland．（ ）
A．am livingB．livedC．have lived