that we can’t get the necessary equipment , we will have to give up the experiment

Do you know where David is He is not in the office.–Well, he ______ have gone far—his coat is still here.

e goes out, he oftenwears sunglasses _______nobody can recognize him

Where ______ the—They are having lunch in the dining hall.

I lived with my sister this summer and didn’t have to pay rent. So I _____ save most of my salary.