What a beautiful dress you are wearing! It must be expensive. —No. It only ____ me fifty yuan.

What is on show in the museum?—The pictures which were taken by Yang Li Wei.

It took me about 40 minutes to ride here.——Have a drink ,please. You ________ be thirsty.

will she visit the Great Wall again?—In half a year.[ ]

Some students are so ______ that they often make mistakes in their homework.