Câu hỏi:

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

The US first __________ of the Moon began with the Ranger 4 impactor in 1962.

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

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

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

There are a lot of benefits to do __________ researches.

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

If the teacher were here now, we’d ask him the difference __________ “science” and “technology”.