The lack of eco-friendly habits among the public is thought to be a major _____of global climate change.
| A．cause | B．result | C．warning | D．reflection |
It is essential that these application forms__________ back as early as possible.
| A．must be sent | B．will be sent |
| C．should be sent | D．need be sent |
If you want to be a musician, you have to really________ yourself to it. Which word is used here improperly?
| A．devote | B．dedicate | C．enjoy | D．commit |
I receive $500 each month from my family and that has to _______all my expenses.
| A．cover | B．pay | C．support | D．repay |
Having been praised by the teacher, the little girl ran back home, _______.
| A．happily and satisfied | B．happy and satisfied |
| C．eager and excitedly | D．anxiously and excitedly |
-----Are you a journalist?
-----No, but I _______.
| A．was used to | B．used to |
| C．used to be | D．was used to being\ |