<p dir="ltr" style="text-align: justify;">This question aims to test a fixed English sentence pattern that is used to say that someone insists that someone else do something.<span><span style=""> Not only does the verb “order” fits this sentence pattern, but some other verbs that express similar meanings also apply. What’s special about this sentence pattern is that the verb in the that-clause is a basic form. </span></span></p><div dir="ltr" style="" align="left"><table class="classic-table"><colgroup><col></colgroup><tbody><tr style=""><td><p dir="ltr" style=""><span><span style="">S + </span><span style="text-decoration-line: underline; text-decoration-skip-ink: none;">command/ order/ require/ request/ ask/ demand/ command/ purpose/ advise/ propose/ insist</span><span style=""> that + S + (should) + the basic form of a verb</span></span></p></td></tr></tbody></table></div><p><br></p><p dir="ltr" style="text-align: justify;"><span><span style="">Thus the blank should be filled with the basic form of a verb. Choice (C) "</span><span style="">cease"</span><span style=""> is the correct answer. </span></span></p><p><span><span style="">None of the other choices is the basic form of the verb “cease.” Choice (A) "</span><span style="">will cease"</span><span style=""> is in the simple future tense, Choice (B) "</span><span style="">ceases"</span><span style=""> is the verb “cease” ending with an “s,” suggesting it is in the simple present tense, and Choice (D) "</span><span style="">is ceased"</span><span style=""> is a form used in the passive voice and the simple present tense. </span></span></p>