爸爸给你买了一本书,你应该怎样致谢:A. I’m OK. B. Here it is!C. Thank you.
—Is the cat ________ the door? —No, it isn’t. It’s ________.
If I ________ you tomorrow, I will give you the receipt. A.see B.will see C.am seeing
—What day is today? —It’s ________. A.Monday B.a fine day C.September 1st
The students couldn’t help ________ when they heard the joke. A.to laugh B.laugh C.laughing
Do you know ________ this word? A.what to spell B.how to spell C.to spell