We decided not to climb the mountains because it was raining________.
George has arrived, but I did not know he ______ until yesterday.
It ______ six years since they last saw each other.
Look at these clouds. ______.
-- Could you give these books to Mr. Mackintosh? -- Certainly, ______ him about something else in any case, so it won’t be any bother.
. Lu Xun ______ a lot of novels.