【题目】We won’t think of human clones and any reason to suggest that we are closer to producing them today than we were yesterday.

【题目】It is very important that one (master) the skills of computers.

【题目】When he felt he had their ________, he began to tell his story.

【题目】That young girl killed that tall man in a (n) ______ attempt to free herself.

【题目】It won’t be easy to defeat the novel coronavirus (新冠病毒), but if we ______, we will succeed in the end.

【题目】Evidence obtained from observation and experiment is often used to ______ a scientific theory.

【题目】-Could you pass me the sugar, please?

【题目】I’m sorry, but I can’t go with you to the cinema because I have to ______ my sick brother.

【题目】There a slight decrease in his weight but he eats too much.