Last night, I watched the football match and didn’t go to bed _____ midnight.[ ]
Email is very popular today. People ______write letters to each other now.
Mr. Yang’s daughter is pretty good_____drawing pictures and she won many prizes.[ ]
Though he didn’t ________an important position, he got along very well with almost everybody and was trusted by most of his leaders.
The Bunsen Burner is so named because it is thought ___________ by Robert Bunsen.