问题

they are talking to each other!—Yes. They are really happy to see each other.
A:to try
B:try
C:trying
D:tried;
B:try
C:trying
D:tried;
正确答案是:
同类题型
Drinking hot tea ______ honey is good _____ a sore throat.
Excuse me, are these books____ – No, they are classmate’s.
You don’t have to angry. He ______ wanted to know the truth.
Tens of thousands of trees _____ in thearea in the past few years
His strong sense of humor was make everyone in the room burst out laughing.