填空题 AI can make ____ (grade)of essays more efficient than before.

单选题 Her fruit franchise store could ____ hundreds of customers each day ____ fresh fruits from all parts of the world.

单选题 It is with such craftsman spirit ____ Xiao Qiang has succeeded in inventing a device.

单选题 I have to ____ to see what is there.

单选题 Electric shock ____ very dangerous, and it can kill people.

单选题 Cables and connectors should ____ in good working condition.

单选题 He has ____ to solve a number of problems.

单选题 All of us ____ supposed to develop a strong sense of safety responsibility.

单选题 She tried hard to ____ relevant knowledge to finish the work successfully.