Mr.Smith gradually _____ a knowledge of the subject

Mr.Smith gradually _____ a knowledge of the subject Mr.Smith grandually __a knowledge of the subject. The teacher asked Mr.Smith to _____ for a moment 1.None of the servants were _____ when Mr.Smith wanted to se Mr.Smith is one of the foreign experts who _____ in China. Mr. Smith is one of the foreign experts who _____ in Ch 1.I'll be in charge of the work when Mr.Smith _____ next wee Mr.Smith is the h____ of Mrs Smith. [D3] Mr.Smith urged the boy _____ _____ at once. Mr.Smith is almost out of money .（保持原句意思） Mr.Smith has _____ Mr Smith works in a factory in the middle of the city. The f The new house cost Mr Smith a lot of money 改否定句 The new hous