Final answer:
The given sentences require choosing between gerund and infinitive forms of verbs to complete the sentences.
Step-by-step explanation:
In the given sentences, the correct form of the verb in brackets can be determined by considering the verb that precedes it.
a) Martha hopes to go (gerund) to university in Prague.
b) We'd like to learn (infinitive) how to surf.
c) I hate sitting (gerund) on the beach.
d) My parents enjoy going (gerund) to restaurants.
e) I don't want to watch (infinitive) TV tonight.
f) They hope to visit (infinitive) Canada.