The journey to the lake was terrible, but after we ____there, we had a wonderful time.
A、have arrived
B、could arrive
C、would arrive
D、had arrived
Ⅱ . Vocabulary and Structure( 15 points )Directions: There are 15 incomplete sentences in this section. For each sentence there are fourchoices marked A, B, C and D. Choose one answer that best completes the sentenceand blacken the corresponding letter on the Answer Sheet.6. The world will be different, and we have to be prepared to____ to the change.