How did it______ that humans speak so many different languages?
| A．come out | B．come off | C．come about | D．come round |
______ the youth ______ the rising sun, Mao Zedong expressed his great hope for the youth.
| A．Comparing; with | B．Compared; to | C．Compared; with | D．Comparing; to |
— Would you mind helping me to feed some porridge to my cat?
— ______.
| A．Never care. | B．Never mind. | C．No, of course not | D．No, please do. |
How did it ______ that the young guy fell off the bridge into the river?
| A．come out | B．come about | C．come across | D．come up |
— What do you think of Tom?
— He is quite good-tempered, but I can’t ______ his bad habit of smoking.
| A．put up with | B．make up for | C．get on with | D．come up with |
Generally, the electric-bike is not dangerous as ______, if ______ according to the instructions.
| A．reported; ridden | B．reported; riding | C．reporting; to ride | D．reporting; to be ridden |