—— Remember the first time we met, Jim? —— Of course I do.You _____ in the library.
Only when he failed the exam ________ that he didn’t work hard. (原创)
I knew he failed in the final exam the moment I _______ him crying alone in the classroom.(原创)
If _______, I bet, Milinski will burst into tears.
He was quick and smart, and his brother ______ silly and clumsy.
I wonder _______ there are so many natural disasters across the world in 2010.