Some of my friends are interested in science,but none of them can tell A when UFOs will appear next time B why do horses know the wayC where was this kind of plant found D how do elephants communicate
-------The box is ____ heavy for me to carry. Can you help me? ------- Certainly.
. -------Tom, I’m watching a football match. What about you? -------____.
-------May I take my pet dog with me into the cinema? -------The rule says no. So you ______.
-----It’s hot. Would you mind my _____ the window? ------ _____.Do it as you like, please!
Why don’t you _____ your teacher for help when you can’t finish _____ it by yourself ?