4. 
A. This is the first time Alice tried Com Lang Vong in Viet Nam.
B. The first time is Alice trying Com Lang Vong in Viet Nam.
C. This is the first time for Alice has tried Com Lang Vong in Viet Nam.
D. This is the first time Alice has tried Com Lang Vong in Viet Nam
----- Nội dung ảnh -----
1. I / see / Tom / while / he / his family / ride / jeep / top / Langbiang Mountain.
A. I saw Tom while he and his family were riding a jeep to the top of Langbiang Mountain.
B. I was seeing Tom while he and his family rode a jeep to the top of Langbiang Mountain.
C. I was seeing Tom while he and his family rode a jeep to the top of Langbiang Mountain.
D. I saw Tom while he and his family riding a jeep to the top of Langbiang Mountain.

2. An / suggest / I take / bus / Aeon mall / instead / go / there / motorbike.
A. An suggested to take a bus to Aeon mall instead of going there by motorbike.
B. An suggested to take a bus to Aeon mall instead of to go there by motorbike.
C. An suggested taking a bus to Aeon mall instead of to go there by motorbike.
D. An suggested taking a bus to Aeon mall instead of going there by motorbike.

3. much / you / practice / few / mistakes I you make.
A. The more you practice, the fewer mistakes you make.
B. The more you practice, the few mistakes you’ll make.
C. The more you practice, the fewer mistakes you’ll make.
D. Much as you practice, the fewer mistakes you will make.

4. first time / Alice / try / Com Lang Vong / Viet Nam.