–Can you swim? --___________, but my brother Tom can. 

―Must I report the situation of the new company to the manager now? ―No, you         . You are tired and you can do it after you have a good rest.

 —___________ he have to wear his school uniform every day?—No, he ______________.

Those who failed to get into the art exhibition ________ disappointed as many of the artists who should have appeared did not come. 

(2013·湖南长沙四校二模)—Is the letter from your mother?—Yes.But she ________the letter herself，because she doesn’t even know one word.