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 best fits each of the numbered blanks.

An astronaut living in space begins a day in much the same way as he would on earth. The astronaut is able to brush his teeth and use the toilet in space. It is, however, rather challenging as the water droplets will (29)__________ around. The astronaut will also have to make to do with sponge baths.

There is a special plan for the astronaut on (30)____________ a spaceship which includes beverages and food items. The astronaut is allowed to have a maximum of three main meals a day. The meal varies each day until the sixth day. On that day, the menu is (31)_____________ and the astronaut eats the meals he had on the first day. The food (32) ________ is brought on a shuttle mission can be dehydrated, in natural form for fresh. Sometimes, they are kept in thermostabilised cans or sealed pouches. It takes only thirty minutes to cook a delicious meal for a crew of up to seven people on a space mission. (33)_________, astronauts have to eat slowly and carefully or the food will float away.

Đáp án đúng là: B
Giải thích
Kiến thức về đại từ quan hệ
=> Vì chỗ trống cần một đại từ quan hệ chỉ vật, làm chủ ngữ nên ta chọn B.
Tạm dịch: “The food (32) ________ is brought on a shuttle mission can be dehydrated, in natural form for fresh.”
(Thực phẩm cái mà được mang theo trong sứ mệnh tàu con thoi có thể bị khử nước, ở dạng tự nhiên để tươi.)