To know ________ the mountain top looks like, you need to reach it.
what
when
where
which
My watch doesn’t work, so I decided______ a new one.
—_________you _______to Qingdao last summer? —No, I didn’t .
______special gift you bought for me!
—_______your father_______ game shows? —He doesn’t mind them .
The little boy isn’t __________ to reach the apple on the desk.