1．(2020·天津卷改编)Jim says we can stay in his house as long as we leave it clean and tidy.
2．(2020·江苏卷改编)If I hadn't been faced with so many barriers, I wouldn't be (be) where I am.
3．(2019·天津卷改编)Paul did a great job in the speech contest.He must have practised (practice) many times last week.
4．(2019·天津卷改编)The workers were not better organized, otherwise they would have accomplished (accomplish) the task in half the time.
5．(2019·江苏卷改编)What a pity！You missed the sightseeing, or we would have had (have) a good time together.
