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【題目】When Daisy ________ a voice in the washbasin, she________.

【題目】After that terrible disaster, the officer had no choice but to ________ calm to deal with different problems.

【題目】Take care when you are travelling, ________ your things may get ________.

【題目】Costs are expected to double________of 2021.

【題目】The ________ of antibiotics (抗生素) in the 20 century has made a great difference to human beings.

【題目】The scientist as well as his assistants ________ the Nobel Prize for Medicine in 1945.

【題目】An informer ________ the police ________ the names of the robbers.

【題目】We need something to ________ the flies ________this food?

【題目】Benny, monitor of our class, is such ________ honest boy that we all trust him.