. After dry days, everyone appreciates ______ when there is a timely rain.
Since nobody gave him any help, he __________ have done the research on his own.
—Why are your eyes so red? You __________ have slept well last night.—Yeah, I stayed up late writing a report.
I am going to Europe on vacation together with John if I __________ find the money.
Around two o'clock every night, Sue will start talking in her dream. It somewhat __________ us.
—Shall I pick you up tonight?—No, thanks. Don't __________ to come. I can take a taxi.