Bộ 3 Đề kiểm tra Unit 7 - Tiếng anh 10 iLearn Smart World có đáp án (Đề 3)
Xem toàn bộ quiz

The doctor attached a monitor ______________ the mother’s stomach so that she could listen to the baby's heartbeats.

14/45

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

The doctor attached a monitor ______________ the mother’s stomach so that she could listen to the baby's heartbeats.

on

to

into

with

Giải thích

Chọn B