No one can exactly tell us what .
| A．does Mona Lisa’s smile mean |
| B．Mona Lisa’s smile means |
| C．Mona Lisa’s smile does |
| D．does Mona Lisa’s smile |
—Kate, I don’t think we can go to the Palace Museum by bike on time.
— You mean it’s ______ for us to take a taxi there.
| A．possible | B．necessary |
| C．useful | D．important |
It’s so crowded here. Let’s make some ______ for the baby.
| A．house | B．room | C．seats | D．chairs |
-- In a text message, 88 means Bye-bye.
-- And another example is F2F______ stands for face to face.
| A．that | B．who | C．whom | D．it |
You won’t pass the exam _____ you don’t work hard.
| A．but | B．so | C．and | D．if |
— Did you have a good May Day holiday?
—_________. I enjoyed myself with my family on the beach．
| A．I’m afraid not | B．I’m not sure |
| C．Of course | D．I hope so |