46．How many new ________ are there on the table?（dish）

45．He is not used to ________ the tough problems to us like this．（解释）

44．The rainbow over the sea is a beautiful ________．（风景）

43．It is good for your health to ________ deeply．（呼吸）

42．She gave her son a ________ not to chat online too much．（警告）

41．Amy's pen is the same color ________．（我们的）