Thank you for sending us ____ fresh vegetables of many kinds. You have done us ____ a great service.
You will find the laptop well-designed when he ______ it ______.
As we all know, he never ______.
We ______ to clean the blackboard every day.
The old man is ______ under the tree and ______ a paper.
-Can you stand ______ in that way? - Absolutely not.