Writing - Comma 3

Put in commas where necessary. If a sentence is correct, type no comma in the textbox.
1) The more she practises the better she plays.
2) World War II began on September 1 1939 with Germany's invasion of Poland.
3) He finally came in in tears.
4) It is the tablet I'm looking for not the laptop.
5) Her objection therefore was ignored.
6) Neither Carol nor Richard has got a car.
7) A student from California won a $100000 (a hundred thousand) scholarship.
8) George and his friends played cards and watched films all night long.