1. If you miss the class I take you some
2. When I see Sandra, I ask her what she thinks.
3. We have time for lunch if the train leaves at 12 o'clock
4. If I ask my boss for a pay raise, he will not give it to me
5. I cook dinner if you do the shopping
6. If the weather be nice, we go out for a walk
7. We go on Holiday when Al get some time of work
Explanation:
professionalism I guess it is good to know how to write formal emails makes you look good when emailing cool people or businesses
20. B. saw
21. D. Worked
22. C. Had flown
I hope this helps :)