1. Look, some girls are singing over there.<br />1. Look, some girls are singing over there.<br />2. It's going to rain. You'd better take your umbrella.<br />2. It's going to rain. You'd better take your umbrella.<br />3. Sorry, sir. You cannot smoke here.<br />3. Sorry, sir. You cannot smoke here.<br />4. I take my dog for a walk after dinner every day.<br />4. I take my dog for a walk after dinner every day.<br />5. If you have any questions, please put up your hand.<br />5. If you have any questions, please put up your hand.
B. 
C. 
D. 
E. 
