I’m certain David’s told you his business troubles________, it’s no secret that he owes a lot of money to the bank[ ]

It rained heavily yesterday. Did you get wet ?— Quite lucky, ______ got on the train when it poured down.

Growing population resulted in growing rubbish.—There is ______that rubbish will become the major threat to human beings in future.

John is said to have _____ missing since last week. Has he gone somewhere— Not really. He_______ his newly-bought apartment.

When did your father _____ your mother