It was raining, but _________ it was a nice trip.

The charity sale our school organizes every year has taught us much that we would never have________ learned in class.

The most frightening words in English languages, as it is, are "Out computer is ______________."

.-----How do you find the dictionary? -------It’s useful,_________for beginners of English.

 You can’t be too careful to drive your car in the city now. Your car ________ missed a cyclist a moment ago.