Can the scientist ______ [iks’plein] the reasons for changing the plan

I’m your English teacher Helen Green . You can call me __________ .

Professor Williams keeps telling his students that the future________ to the well­-educated

So many women take up walking as a regular form of exercise every day, which, of course,isto their health.

Sunday is a public holiday, _____children should get close to nature—But most of them have several lessons to attend