They occurred due to (2) _____ and recklessness:

When you are in Singapore, you can go about (1) ________ taxi, by bus, or by underground. I myself prefer the underground (2) _______ it is fast, easy and cheap. There are (3) ________ buses and taxis in Singapore and one cannot drive along the road (4) _____ and without many stops, especially on Monday morning. The underground is therefore usually quicker (5) _____ - taxis or buses. If you do not know Singapore very well, it is difficult (6)______ the bus you want. You can take a taxi, but it is (7) ________  expensive than the underground or a bus. On the underground, you find good maps that (8) _______ you the names of the stations and show you (9) ______ to get to them, so (10) _______ it is easy to find your way.

When you are in Singapore, you can go about (1) ________ taxi, by bus, or by underground