Ba spends a lot of time ______ English so he can speak it very well.

Câu 1:

(2 Điểm)

to learn

learn

learning

learns

6.

Câu 2: She thinks chatting on the internet is time- _____.

(2 Điểm)

consume

consumer

consumption

consuming

7.

Câu 3: There is too much traffic. _______, the air is polluted

(2 Điểm)

Therefore

However

But

Since

8.

Câu 4: Mathematics and Literature are ______ subjects in high schools.

(2 Điểm)

compulsory

nothing

adding

optional

9.

Câu 5: Remote controls are used to ______ with TV

(2 Điểm)

interact

interactive

interaction

interactively

10.

Câ