_______ with any common sense can tell the difference between the two.
| A．Who | B．Whoever | C．Anyone | D．Whomever |
______ at failing in the math exam, John wouldn’t like to talk about it to his parents.
| A．Disappointed | B．To be disappointed |
| C．Disappointing | D．Having disappointed |
The form cannot be signed by anyone ______ yourself.
| A．rather than | B．better than | C．more than | D．other than |
Some plants can take in carbon dioxide we breathe out and give ______ oxygen to us.
| A．in case | B．in turn | C．in return | D．in addition |
— If you like I can do some shopping for you.
— That’s very kind of you for your ______.
| A．service | B．offer | C．point | D．suggestion |
It’s no longer a question now ______ man can land on the moon.
| A．that | B．which | C．whether | D．what |