Wherever he is, he makes ______ a rule to give his mother a call every day.
We were all very much attracted by the beautiful scenery ______ we set foot in the village.
______ to strong sunlight for a long time will do harm to our skin.
I suggested to my father that we ______ to Shanghai for a holiday this summer,but the expression on his face suggested that he ______ to it.
. ---I heard that more than 500 people were killed in ten days during that Cholera outbreak. ---Yes, ______ news came as ______ shock to us.
—I really thought I’d be offered the chance. —Oh, well, ____, Vicky.