My grandpa is old he thinks he is young.
--- I’m going on a trip to Beijing soon. ---_______.
— What do you like to do in your leisure time? — I enjoy ____ with my friends. talk B. to talk C. having talked D. talking
I can’t understand ____ you’re talking about. what B. that C. if D. because
--- I don’t know if he ____. --- He’ll come if it ___.
It has been five years ____ I came to this school. for B. since C. whether D. when