Given the correct from of the verbs in brackets

Part 2:  Given the correct from of the verbs in brackets
1. Everyday, Quang ( spend ) ........................ most of his free time looking after the garden
2. ( finish ) ...................... my homework since yesterday
3. All chemicals and drugs must ( put ) .................... into locked cupboards 
4. Would you mind ( sit ) ...................... in the front scat of the taxi?
5. I'd like ( come ) .................... and visit you next summer
6. He was ( heavy ) ....................... fined for dropping litter in public places.
7. Scientists say that exhaust fumes arc ( poison ) .................... our city
8. It's ( convenience ) ............................ to send a letter from my village because the nearest post office is miles away