B1L2 文法PP

For a long time, people   (believe) that old people experience many health problems.

However, they likely 　   (never think) to add “taste” to the list.

Scientists 　    (observe) that old people lose their sense of taste and so tend to choose foods with stronger flavors.

For example, my grandfather ______ (was) putting hot sauce on all his food ever since he turned eighty years old.

The reason _____(介係詞) this problem is that people’s taste buds decrease in number as people age.

However, researchers 　　　 (not find) a way to deal with this problem.

Reorder the following

• haven't

• I

• Judy

• seen

• recently

Reorder the following

• it

• yet

• read

• have

• you

Reorder the following

• discussed

• issue

• is

• being

• the

Reorder the following

• work

• critized

• been

• has

• the