_____is important to a person is ____he must know what he is fit for. A It ; that B. As; that C. What; that D. That ; what
.— I’d better__________ now.The water is boiling in the kitchen.— Good-bye.
.Only by shouting at the top of his voice__________.
.—Must I give the pen to the manager ?—No, you may give it to________you think is on duty in the office .
.Look! The dictionary, ________cover is red, is a birthday gift given by Tom.
_______environmental damage is done, it takes many years for the ecosystem to recover.