— What about going shopping together?
— Sorry, I have a lot of homework _______.
A：do
B：to do
C：doing
D：did
We all have a sense of n____ pride while our country is becoming stronger and stronger.
下列岩石中具有层理结构并可能找到化石的是（ ）
第二次世界大战后，通过革命走上社会主义道路的拉丁美洲国家是（ ）
