It has been two years since my brother ________ the army. A. joined in B. took part in C. joined
It’s important ______ people to understand each other.
Bob is _______ an English class. His teacher is talking ________ English.
— ________ your friend? —The boy in front of the old man.
Yingying often _____ hamburgers, French fries and Coke and her mother often cooks _______ Chinese food for them.
When he was free, he went down to the small river behind the factory and tried ____some fish.