The key answer of exercise 4

a)

1. 2 (when), 4 (albeit), 8 (even though)
2. 5 (I felt like a stranger, though)
3. 3 (I do like the buzz), 6 (Jakarta does have)
4. a) 1 (Seasoned traveller though I am) b) 7 (Ill-equipped as we were), 9 (Cold, confusing and foreign though it was)
5. 10 (However different we all may be ...)

b)

A doctor or nurse (reference to patients in the text.)

c)

1. as
2. though
3. however
4. when
5. albeit
6. even though
7. as
8. do
9. though
10. as