—I can’t find my mobile phone anywhere. —You _____ have lost it while eating out.

It’s beyond our comprehension that Jim, who tops the class in English, ________ have difficulty translating such a simple sentence.

I have a computer, ______I don’t play computer games on it.

This notebook        Lucy’s. Look, her name is on the book cover.

----Will Barbara come to our party? ----I am not sure, because he ____ go to the concert with his friend.