What are doing over there?– I am eating my meal. Would you come______?

May I smoke here?—If you _______, choose a seat in the smoking section.

Here is a number “twenty-three million, two hundred and sixty thousand, one hundred and one”. Which of the following is RIGHT

The procedures(程序) of operating a computer have been ______ several times, the results of which have made it much easier _______.[ ]

Thereaclass meeting tomorrow afternoon.