When you are in Hong Kong, you can go about (1) __________ taxi, by bus, or by underground. I myself prefer the underground

When you are in Hong Kong, 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 the 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 tell you the names of the stations and show you how to get to them, so that it is easy (8) __________ your way.
1. A. at B. in C. by
2. A. but B. because C. when
3. A. many B. a lot C. few
4. A. quick B. quickly C. quicker
5. A. so B. like C. than
6. A. to find B. find C. finding
7. A. less B. more C. most
8. A. to find B. find C. finding
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