Câu hỏi:

Choose the letter A, B, C or D to complete the sentences

We are trying to __________ the problem with the steam engin

Choose the letter A, B, C or D to complete the sentences

The first experiment was __________, so we need to do another one.

Choose the letter A, B, C or D to complete the sentences

Artificial intelligence (AI) is an area of __________ concerned with making computers copy intelligent human behaviour.

Choose the letter A, B, C or D to complete the sentences

Archaeology are digging the ground to __________ that site.

Choose the letter A, B, C or D to complete the sentences

“I will hand in my assignment to the teacher tomorrow.” Alan said to me.

Choose the letter A, B, C or D to complete the sentences

The teacher __________ me that I had better devote more time to doing scientific researches.

Choose the letter A, B, C or D to complete the sentences

A person who plays the piano is a(n) __________.