问题详情：
![—Whynotjoinusinthegame?—I’dloveto，butMotherinsiststhatI...]( "—Whynotjoinusinthegame?—I’dloveto，butMotherinsiststhatI...")
—Why not join us in the game?
—I’d love to，but Mother insists that I________all my homework first.
A．finish B．will finish
C．must finish D．have finished
【回答】
A 答语意为：我也想和你们玩游戏，但妈妈非要我先把作业做好。insist后跟that从句作宾语，从句谓语动词用should＋动词原形”表示虚拟语气，should可省略。
知识点：虚拟语气与情态动词
题型：选择题
