Do you have a pen?I want to ________ a letter.
To be a policeman is interesting________sometimes it’s kind of dangerous.
—I’ve shown you all the interesting and important places of our school.—Thank you for________so much time.
________energy,turn off the hot water after you take a shower.
—Did they clean the house yesterday?—________,They cleaned at five o’clock.
—Do you know that there are many different________animals in the zoo?—Yes,I do.And I also know that some of them are________scaring.