At times，parents find it difficult ________ with their teenage children.
A. talk B. talked C. talking D. to talk
The number of _____ in our class _____ fifty.
A. student；is B. the students；are C. the students；is D. students；are
It is polite________ a gift when you visit somebody for the first time.
A. take B. taking C. to take D. took
I'll go to visit my aunt in England ________the summer holidays start.
A. while B. since. C. until D. as soon as
I’m _____ to see my friend,Lily.
A. please B. pleased C. pleasure D. pleasant
They are friendly to me.So I’m made _____ at home.
A. feel B. to feel C. feeling D. felt
