Although amber feels as hard as stone, it easily melts when________. A heating B heated C it heats D being heated
I’ll never forget the days ____ I spent in Beijing last year.
The speaker walked out of the hall, __ happily with the teacher, and ___ by a group of students.
The hot weather lasted ___. A, since June B. immediately C. only a few days D. whole the week
That day o got home so early that my family were still ___.
Jim suggested that their Christmas gifts ___ and kept a while.