Synthèse des bonnes réponses :
Question 1 : There are many accessories for cycles. There are a lot of accessories for cycles.
Question 2 : There are so many questions still to be answered. There are such a lot of questions still to be answered.
Question 3 : It will take a lot of time to answer. It will take a long time to answer.
Question 4 : A few studies were carried out on animals.
Question 5 : How long did it take to find the theory ?
Alternative answer : How much time did it take ...?
Question 6 : Man arrived in Asia some time later. Man arrived in Asia a short time later.
Question 7 : The effect lasts only a few seconds but that is enough.
Question 8 : So far, little evidence has been found to support the theory.
Question 9 : The new machines do not use much energy.
Alternative answer : The new machines do not use a lot of energy.
Question 10 : Today, few scientists believe that global warming is not caused by man.