based on 5I ex.4Choose the correct answer.

1. Erica was proud
   [to join|join|joining] in the anti-war protest.
2. Fay and her family are happy
   [sponsor|to sponsor|sponsoring] a child in Ecuador.
3. The factory has offered
   [to help|help|helping] with the clean-up of the river.
4. Clara and her class look forward to
   [visit|to visit|visiting] the city zoo.
5. Countries should
   [support|supporting|to support] families living under the poverty line.
6. You might
   [to want|want|wanting] to think about reusing those glass jars.
7. I can't stand
   [hear|hearing|to hear] about needless suffering.
8. They must
   [try|to try|trying] to resolve their problems peacefully.
9. How about
   [donating|to donate|donate] your old clothes to the Salvation Army?
10. The government will
    [create|creating|to create] 100 new environmental jobs.

Sources:

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