(Viên chức Mầm non) 30 đề ôn thi tiếng Anh có đáp án - Phần 9

Today, computer companies sell many different programs for computers. First, there are programs for doing math problems. (26)______, there are programs for scientific studies.

26/30

Today, computer companies sell many different programs for computers. First, there are programs for doing math problems. (26)______, there are programs for scientific studies.

two

second

twice

double

Giải thích

Chọn đáp án B