25. Welcome to the Historical Museum, everyone! This stone knife _______ in South Africa and experts can’t be exactly sure about its use.
Gun control is a subject _____ American have argued for a long time.
----- Mummy, I've finished all the work you assigned me. ----- _______!
The film ________ romantic films was adapted from a real story which ________ in China in the 1990s.
After the long journey, the three of them went back home, _________.
One Friday, we were packing to leave for a weekend away _____ my daughter heard cries for help.