We _______ last night, but we went to the concert instead.A should have studied B. might study C. must have studied D. would study
Don't __________ making mistakes. They are a naturalpart of learning.
All the、doctors in the hospital insisted that he __________ badly wounded and that he __________ at once.
__________,there are 50,000 visitors to the exhibitionevery day.
The custom, practice, idea and belief have __________ from generation to generation.
__________ meet her at the railway station, he had toget up early.