【題目】Totally ___accident, the businessman picked up a ___antique(古董) in the flea market(跳蚤市場)

【題目】Here was a chance for me to distinguish myself by inventing something m （仁慈的） that would catch snakes but harm them.

【題目】All efforts of cloning an animal will be in v（徒勞） if there is not enough diversity in the group to overcome illnesses.

【題目】There was ____ time ______ I stayed in New York with my parents.

【題目】Parents should take seriously their children’s requests for sunglasses ______ eye protection is necessary in sunny weather.

【題目】In Iraq nowadays, plenty of people are short of basic necessities of life, ______ food, water and medicine.

【題目】 They are smiling. There ______ much trouble solving the problem.

【題目】You have failed to do what you to and I’m afraid the teacher will blame you.

【題目】The good thing about the children is that they _____ very easily to new environments.

【題目】He ______ his parents about his failure in the exam.