Hold your tongue while others are talking.A. Open your mouth B. Keep silent C. Stop to talk
—I’d like to take a week’s holiday, Mr. Smith. —_______, we’re too busy these days.
—What did he say just now? —He said ___________________________.
The book _______ I found on my way home is my brother’s.
Armstrong became interested in _______ ever since he took his first _______ at the age of six.
How many times have you the Science Museum?