The person is sad that his computer is having problems.的同义句是

Is that computer mine?写出他的同义句 Kate is sad.的同义句 The person is like my teacher.的同义句 it seems that she is very sad 同义句 Is there a computer in the hotel?的同义句 He is playing on the computer的同义句是什么 The()of this computer is very ()的同义句 He is having problems with his car.请教高手这句怎么翻? That is his wallet(.写出同义句) That watch is his.(同义句) that is his dictionary 改为同义句 Is that his baseball?改为同义句