where is jack?i can't find him anywherehe___his homework upstairsA might be doing B must do 选什么 why 是不是错了
问题描述：
where is jack?i can't find him anywhere
he___his homework upstairs
A might be doing B must do
选什么 why 是不是错了
答
杰克在哪里？我到处都找不到他。
答
杰克在哪里？我在任何地方也找不到他
补充：
B must do 必须做
he must do his homework upstairs
他必须在楼上做他的功课
答
jack在哪?到处都找不到他.
补充问题：
A might be doing 表示可能正在做某事
B must do 表一定,必须做
答案选A,题目的意思是：他可能正在楼上做作业.
答
Jack在哪儿，我到处都找不到他。