— Hi, Jack, would you like to join us in the sightseeing this weekend?—Thank you, but I regret ______ you that I can’t, for I’m going to visit my grandparents.
If you’re looking for a _______, you can make it when it is on sale.
.---Putting on a happy face not only helps us make friends but also makes us feel better. --- _______.
If you ________ be quiet, I will tell you what happened.
-Did you have a good sleep last night? -Yes, never sleep ____.
_______the weather, the sports meet will be held on time.