—Where are the Greens?
—They are in Guilin ________ vacation.
| A．in | B．at | C．of | D．on |
-The desks are very dirty.
-Let meyouthem.
| A．to help;clean | B．help;clean | C．helps;to clean | D．to help;to clean |
Pandas like eating _____ and elephants like eating ____.
| A．leaves, grasses | B．leaves, grass | C．leaf, grass | D．leaf, grasses |
Which kind of animals has long legs and neck（脖子）?
| A．Pandas | B．Penguins | C．Giraffes | D．Koalas |
I like _______ to people and _______ books.
| A．to talk, reading | B．talking, reading |
| C．talk, read | D．talk, to talk |
My sister works ______ a restaurant _______ a waiter.
| A．in, as | B．at, of | C．in, of | D．as, in |