Choose the best answer to complete the blank in each of the following sentences.
We have learned English since we_________in the sixth form.
are were had been have beenMôn học
Chủ đề / Chương
Bài học
Chủ đề
Choose the best answer to complete the blank in each of the following sentences.
We have learned English since we_________in the sixth form.
are were had been have been