Chọn phương án đúng cho mỗi câu

Mobile technology can help students open the door to new horizons, making their learning (1)....
motivating and speedy. It is not difficult to understand (2).....
more and more schools are
encouraging mobile learning in the classroom. Smartphones, tablet, e-readers, netbooks and laptops, etc.
are (3)....
becoming great learning tools for students. School computer labs with desktops are
wonderful but they are not handy. Students cannot use them in the school yard during the break time or in
the school canteen while they wait (4).....
lunch. Mobile learning are different. They are light,
portable and convenient. Students can carry these devices with them wherever they want and
(5).....
1. A. flexible
B. fluent
C. portable
D. harmful
B. why
2. A. when
D. which
C. what
B. gradualism
3. A. gradual
D. graduate
C. gradually
D. of
C. to
B. at
4. A. for
D. however
C. whoever
B. whenever