—Jenny，how did your math exam go?—I thought I ________，but in fact I came in the top 10% in the class.

The police still haven’t found the lost child, but they’re doing all they             .

—Look! A book is on the floor. Whose is it?—It ______ be Rick’s. It has his name on it.

 … Come to supper with us, Peter. … Great! I _______ bring a bottle of wine.

 --- Is John coming by train?--- He should, but he _______ not. He likes driving his car.