Choose the correct answer A, B, C, or D.

1. His mind _______ when I asked him how to do the homework.

A. went blank

B. went empty

C. became exhausted

D. put up

2. Students could see the university's facilities when they _______.

A. took an excursion

B. toured the campus

C. gave a performance

D. took an eco-tour

3. Snorkelling in the coral reef is a(n) _______.

A. touching moment

B. happy time

C. exciting experience

D. embarrassing moment

4. Nam and his friends felt _______ when they couldn't put up a tent by themselves.

A. pleasant

B. embarrassing

C. embarrassed

D. pleased

5. I didn't understand the lesson. I learnt it _______.

A. on purpose

B. by chance

C. with memory

D. by rote