Trắc nghiệm Unit 5 Tiếng Anh lớp 10 mới - Communication and culture

Do you want a powerful iPad or a______ one - the iPad Air or the iPad Mini?

People join and volunteer_______ they believe the cause is right, and this is the highest level of motivation.

The boat rudder was first invented to steer large ships which_______ the Chinese to build huge ships as early as 200 AD.

The Tesla Coil is used______ extremely powerful electrical fields.

As a volunteer, you participate in helping our society______ the needs of people from all walks of life.