1.-Check the differences between present simple and present continuous:
a. I _____________ (watch) TV at the moment.
b. We usually ____________ (go) shopping on Friday.
c. What ____________ you ____________ (study) now?
d. ____________ you always ____________ (do) your homework in your bedroom?
e. At the moment my friends and I ____________ (play) with the computer.
f. They ____________ (get) up at 6 o'clock every morning.
3.-Choose the correct form of the verb.
My name’s Nelson. I live / am living in South Africa. I usually go / am going to school at 9 o’clock, but today I don’t go / ’m not going. I help / ’m helping my parents on their farm. We pick / are picking apples. We do / are doing this every year. We don’t pick / aren’t picking apples at the moment because it’s one o’clock and we have / ’re having lunch. My brother doesn’t help / isn’t helping today because he’s ill.
4.-Check the answers in "Answers 7 - Present simple vs. present continuous".
The second exercise is from ESO 2 "Macmillan Secondary Course" Worbook 2 (Macmillan), page 15 exercise 11. The third exercise is from ESO 3 "What's up?" Students' Book (Longman), page 9 exercise 3.