Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions.

Câu hỏi

It is believed that she'll be a billionaire by the time she_______ forty.

A. is

B. was

C. will be

D. would be

Đáp án
A. is

Câu hỏi thuộc Bài tập:

E9- Vào 10- Đề ôn 2