Anh real

A. alarm

B. suitcase

C.breakfast

D. island

Hai Phong is the place which I was born and grew up.

D. not common

A the place

B. which

C. born

D. grew

Because of their high prices, interaction whiteboards are not common nowadays.

A. Because of

B. high prices

C. interaction

D. not common

We will reduce air pollution and helped the environment if we use public transportation.

A. will reduce

B. pollution

C. helped

D. public

Global warming is caused by polluters such as carbon dioxide, methane and CFCs.

A. is caused

B. polluters

C. such as

D. methane

Plastics can break away into tiny pieces called microplastics that are harmful to our health.

A. break away

B. called

C. that

D. to

Some experts believe that in 2050 most classes______a robot teacher.

A. is going to have

B. are going to have

C. will have

D. are having

I think all students______online classes one day.

A. will attend

B. are going to attend

C. must attend

D. is going to attend

If the weather______fine tomorrow, I__________Hoan Kiem Lake.

• A. is / will visit

B. will be / will visit

were / would visit

D. would be / would

If we_____our own water bottles, we can help reduce plastic pollution.

A. will bring

B. bring

C. are bringing

D. brought