C Underline the correct item. 16 Frank has decided to join/joining an environmental organisation. 17 Volunteers from the area are spending this weekend to clean/cleaning up the local beach. 18 People should use/to use eco-friendly cleaning products, which are safer for the environment. 19 Dan avoids buying/to buy anything that cannot be recycled later. 20 I'll never forget taking/to take part in a rescue mission for the first time. 21 Brian was looking forward to starting/to start his new job at the animal shelter.

Давай подчеркнем правильные варианты в каждом предложении.

1. Frank has decided to join an environmental organisation.
2. Volunteers from the area are spending this weekend to cleaning up the local beach.
3. People should use eco-friendly cleaning products, which are safer for the environment.
4. Dan avoids buying anything that cannot be recycled later.
5. I'll never forget taking part in a rescue mission for the first time.
6. Brian was looking forward to starting his new job at the animal shelter.

Ответ: join, cleaning, use, buying, taking, starting

Ты молодец! У тебя всё получится!