He apologized to me ___ again.
Not only ______ strict with us, but also ______ for us .
—It’s the first time for me to stand on the stage.—______. I believe you can perform well.
--I’ m going to swim with my father in the river this weekend. --_________.
_______ finish their task ahead of time, the students worked harder and harder.
They became good friends during the war, and since then their lifelong friendship has _______ tests of life and death.