--Nice to meet you. -- ________________A. Nice to meet you, too. B. And you? C. Thank you.
There are many tall buildings on ____ sides of the street .
The president _____ all people _____ our environment.
At last, Lucy make the baby ____ and the baby began to laugh.
Must we finish all the homework today or tomorrow? – You ____ worry about it. You may hand it in next week.
Mum, may I watch TV for a while ? –of course, if your work _____.