Exercise 1. Fill in a suitable preposition.
1. John is keen ______________ watching cartoons.
A. on
B. in
C. at
D. off
2. I am not mad ______________ walking alone.
A. in
B. at
C. about
D. with
3. Our kids are interested ______________ playing with pets when they have free time.
A. on
B. in
C. of
D. about
4. My son was crazy ______________ football when he was young.
A. about
B. of
C. at
D. with
5. Peter is a big fan ______________ reading science fiction.
A. in
B. about
C. of
D. with
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Exercise 2. Give the correct form of the verbs given.
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Exercise 3. Complete the following sentences using the correct form of the verbs in brackets.
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Exercise 4. Put the verbs in brackets into full infinitive (to V) or gerund (V-ing).
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