—Do you know when Britain ______war on Germany during the Second World War?—In 1993,I suppose.
________time goes by,Mother’s hair has turned grey and the wrinkles on her face deeper.
Many questions ______ at the meeting, but he answered none.
----My sister is very upset today. ----It’s your fault. You ________ the bad news to her yesterday.
They ________that immediate action be taken to stop the water pollution .
The open-air celebration has been put off ______the bad weather .