Choose a, b, c, or d that best completes each unfinished sentence, substitutes the underlined part, or has a close meaning to the original one.
She _______ working on that manuscript for 2 years now.
will be has been had been isMôn học
Chủ đề / Chương
Bài học
Chủ đề
Choose a, b, c, or d that best completes each unfinished sentence, substitutes the underlined part, or has a close meaning to the original one.
She _______ working on that manuscript for 2 years now.
will be has been had been is