—I usually ________ at 7:00.School starts at 7:55.—Oh,but school starts at 9:00 here.
He went into space as _____polit of Gemini 8.
Yang Zhenyu ______ physics ever since he studied in Primary school.
Perhaps we will live in _________ dome on Mars.
When something __________me, I often ask my friend for help.
You ________ do the work now. You can do it tomorrow.