Bộ 3 Đề kiểm tra Unit 6 - Tiếng anh 10 iLearn Smart World có đáp án (Đề 3)

Registration form should be ______________ by guests.

5/45

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

Registration form should be ______________ by guests.

filled up

filled in

written out

drawn

Giải thích

Chọn B