—The charity walk begins _______ 9.00 a.m. Don’t be late. —No problem.
— Remember: you _______ keep it secret and leave it closed.— No problem.
Those relatives(亲戚) were _______. After a few days, he got _______ and missed his parents very much.
Here we are at the science museum. Let’s _______.
I still remembered we arrived _______ that small village _______ a clear night.
— Everyone knows Canada is the second _______ country in the world.— That is, it is larger than _______ country in Asia.