Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that bestfits each of the numbered blanks from 31 to 35.

          Last year, I (31)______ to Nepal for three months to work in hospital. I think it’s important (32)______ as much of a country as you can, but it is difficult to travel around Nepal. The hospital let me have a few days’ holiday, so I decided to go into the jungle and I asked a Nepalese guide, Kamal Rai, to go with me.

          We started preparing for the trip at six in (33)______ morning, and left camp with two elephants carrying our equipment. It was hot but Kamal made me (34)______ shoes and trousers to protect me from snakes. In the jungle there was a lot of wildlife, but we were trying to find big cats, especially tigers. We climbed onto the elephants’ backs to get better view, but it is unusual to find tigers in the afternoon (35)______ they sleep in the heat of the day.

Điền ô số 33