—What’s the name of the song?—Yesterday once more. It when I was a student.A. sang B. was singing C. was sung
The workers succeeded producing all the machines in a month.2
_______ cross the road before the traffic lights turn green .
---- _______ you ______to the United States ? -----No , never , but I went to Canada a few years ago.
Let’s _______ a talk about learning Chinese .
----Is that a new car? ----No, I _____ it two years ago.