---I’ve heard some scientists have sent a spacecraft to Mars.
---Really? Has it arrived _____?
A already B yet C still D ever
Kangkang has learned over ________ English words for two years.
A. five thousand, eight hundreds and sixty-five
B. five thousands, eight hundred and sixty-five
C. five thousand, eight hundred and sixty-five
—________ the population of the world?
—It _________ about 6.8 billion.
A. How many, is B. How much, is C. What’s, is
_______ I had no time to travel, I still felt very happy.
A. Though B. But C. So
—How often do I need to feed the fish?
－They food every day, or they will be hungry.
| A．must give | B．mustn’t give | C．mustn’t be give. | D．must be given |
— Excuse me. May 1 know your_______?
— OK. It's No. 3. Zhongshan Road.
| A．house | B．address | C．way | D．place |