–The Wall Street Journal is giving me a laptop with Windows XP, an operating system I found satisfying when it first came out eight years ago.–Are you sure? You_____ be talking big.
— Did you meet with the famous space hero? — ___________ I had come here earlier.
The committee ______ five famous scientists put forward a valuable plan at the end of conference.
They suggested that the library ________ open during the vacation.
If I can help________, I don’t like to working late into the night.
Only by _______ your attention _______ what you are learning can you learn it well.