It looks ___ it is going to rain.
-Shall I look after your house while you are away?-______.
It was not until yesterday that I realized ____ silly mistakes I had made.
With mum’s birthday around the corner, I have taken some money out of the bank _____ a present for her.
—Everybody is going to climb the mountain. Can I go too, mum?—______. Wait till you are old enough, dear.
A proposal came up at the meeting _____the protection of giant pandas in Sichuan.