—Jim, your bedroom is so dirty.—Sorry, Mum. I ________ it at once.
-How is everything going, Jack? -________________
-Did you tell Li Lei about the news? -Oh, sorry. I forgot. Would you please pass____ him.
-Last semester, he had a hard time______ English.
-Our dining hall is always ________________ teachers and students at noon.
-Linda was just going out shopping________the telephone rang.