— I wonder if I can learn English well.— _______. All things are difficult before they are easy.
-The desks are very dirty. -Let meyouthem.
Pandas like eating _____ and elephants like eating ____.
Which kind of animals has long legs and neck(脖子)?
I like _______ to people and _______ books.
My sister works ______ a restaurant _______ a waiter.