. — May I play computer games now, mum— No, you _______. You haven’t finished your homework yet.

Unable to work at a steady job _______ a terminal illness, he decided to volunteer at the local children center[ ]

________ fine weather it is today!— Let’s go for a picnic.

“ Isn’t that Tom playing basketball?” “ It ______ be; he fell off the ladder yesterday and got badly hurt.”

下列句子的句式不同于其它三项的是（ ）