Chinese people find ______ our duty to help develop African countries along the Belt and Road （一带一路）．（ ）
A．itB．thisC．thatD．these
Music has become a bridge the East and the West．（ ）
A．inB．atC．amongD．between
The tree is so high that I reach the apples on it．（ ）
A．can'tB．mustn'tC．shouldn'tD．needn't
I feel very ． May I have a cake？
Sure， you may take one from the fridge．（ ）
A．braveB．thirstyC．fullD．hungry
Lily， where is my dog？
Look! It under the bed．（ ）
A．sleptB．was sleeping
C．is sleepingD．will sleep
Take it easy! The work _____ is very easy．
You can do it very well．（ ）
A．itselfB．myselfC．yourselfD．oneself