Sure! Here are the completed sentences with suitable linking words:

1. Is her child a boy **or** a girl?
2. I forgot to bring the map, **so** I got lost.
3. My new classmate is quite friendly **and** sociable.
4. I don’t like watching films on TV **but** I like watching them at the cinema.
5. Would you like to drink a cup of tea **or** tea?
6. He didn’t study hard, **so** he failed the examination.
7. He is very busy, **so** he cannot help his friends much.
8. Lan sings very well **but** she cannot sing in front of many people.
9. My brother plays volleyball very well, **but** I do not.
10. She was injured, **so** she could not participate in the competition.

Note: In sentences 4 and 8, "but" was used instead of "blit" as "blit" is not recognized as a linking word in English.