To be an astronaut, you must not only be strong in mind, but also be sound mentally and___.
—Where are we going for the National Day,the mountains or the sea? —Either will be fine with me.
You are driving too fast. Can you drive_________?
American is an ________ country. You can hear _______ every where.
Mary realized she ________.
----How did you find the party ? ----Perfect ! It ______ very well .