Gun control is a subject ___ Americans have argued for a long time.
—Where are you going for your holidays this summer?—Well,it’s not been decided.I______go to the countryside to see my parents.
______has helped to save the drowning boy is worth praising.
She listened with a________expression on her face,which suggested she didn’t completely understand.
—Your school is really wonderful.—Yes, it’s very modern. And every student has free ________ to the school library.
Our strong sympathy for the people in the earthquake-stricken area is ________ in the ceremony.