It _________ rain this afternoon, but I am not sure.
Excuse me. I _______ I was blocking(挡) your way.
Her shoes are _________ mine.
—When did your school hold the sports meet?—Last week. And I _______ the girls’ 400-metre race.
Miss Wei often helps us ________ our English.
—Is Mo Yan, the Nobel Prize winner, ______ best writer in China?—It’s hard to say. But he is really ______ very good writer.