The letter is still in my pocket. I forgot __ it.
She didn’t come to school yesterday .Do you know what ___her?has happened with B. had happened with C. had happened to D. has happened to
With all his homework ____,he went swimming with his friends.
The reason ________they were fired was ____they were not honest.
How is your business _______recently?I haven’t heard from you for three months.
I’m glad to see the rapid progress ______in science and technology in the past decade.