—Hi, Ethan. I called you at 8:00 last night, but you didn’t answer.
—Sorry, I ______ the dishes.
wash
washed
am washing
was washing
—Welcome to Hechi! —____.
—Excuse me. How long can I keep the dictionary? —You canreturn it next Monday.
—I don’t know ____ . —Because he has to look after his mother.
—Would you like to go swimming with me? —I’d like to .But I’m busy ____ my homework.
Basketball ____ by a Canadian doctor named James Naismith.