---We haven’t seen Tim these days. ---He _______ America.
A has gone to B has been to C is going to D will go to
There are ______ floors in the building and my home is on the ______ floor.
| A．twenty; fifteenth | B．twenty; fifteen |
| C．twentieth; fifteen | D．twentieth; fifteenth |
— Do you know anything about Chinese knots (中国结)?
— Yes. They are usually regarded ______symbols of good luck.
| A．for | B．by | C．with | D．as |
—Do you know ”Chopsticks brothers”?
—Sure, I like ______ song “Little Apple” very much.
| A．they | B．them | C．their | D．theirs |
I want to have ______ English pen pal.
| A．a | B．the | C．an | D．/ |
He always speaks to others ________ /pə’laɪtlɪ/, so we all like him.
| A．polite | B．politely | C．police | D．pollute |