-----Excuse me, but I wonder if Joan is available at 3:30 this afternoon. -----I’m afraid he ________ Harry Potter and the Philosopher’s Stone.
Listen! Do you hear someone for help?
It rained heavily in the south,_______ serious flooding in several provinces.
Mrs. White showed her students some old maps ______ from the library.
Mark ______ have hurried. After driving at top speed, he arrived half an hour early.
People have always been ______ about exactly how life on earth began.