Test 5 Grammar 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. 22 I can't help wonder/wondering whether our planet will ever recover from all the damage it has suffered. 23 Neighbouring countries promised sending/to send supplies and rescue workers to the areas that were hit by the hurricane. 19 Dan avoids buying/to buy anything that cannot 24 If you want to help the earthquake victims, you 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. can to donate/donate clothes and money at the local shelter. 25 Judy didn't let her children to go/go underwater diving.