1£®Up to now, large quantities of food have been sent(send) to Africa to save the starving people.

2£®More and more people realize that the key to solving(solve) the problem is to reduce(reduce) pollution.

3£®Tom is the first student to work(work) out the math problem.

4£®Since then finding ways to grow(grow) more peanuts has been his life goal.

5£®Does he have the ability to do(do) the work?

6£®The professor thought that the idea the young engineer brought up was worth considering.

7£®Parents always support their children in their education.

8£®It has been discovered that the traffic accident resulted from the driver's careless driving.

9£®We are planning to replace the old machines with/by some new ones.

10£®We can't figure out why quite a number of insects, birds and animals are dying out.