The fact has worried many scientists ______ the earth is becoming warmer and warmer these years.
| A．what | B．which | C．that | D．though |
I enjoy when you help whoever is suffering in the earthquake．
| A．that | B．this | C．it | D．one |
You didn’t perform as well as the other competitors; , you failed．
| A．in all | B．in other words | C．in brief | D．on the other hand |
--- Why doesn’t she make notes?
--- She has no pen to use．She seems one．
| A．to have forgotten to bring | B．to forget to bring |
| C．to have forgotten bringing | D．to forget bringing |
The journey was adventurous and they went through great hardship, but it ．
| A．paid back | B．paid off | C．paid for | D．paid out |
--- Our class team is going to play in the final match．I’m sure we will win．
--- !
| A．Congratulations | B．Cheer up | C．Good luck | D．Go ahead |