__ is really hard __ them to climb Mount Tai.
| A．This, to | B．It, to | C．This, for | D．It, for |
I think you ______ a wrong ______.
| A．made, decision | B．makes ,decision |
| C．come,decision | D．comes ,decision |
Mo Yan’s books have been sold out in many bookstores _________ his winning of the Noble Prize in Literature.
| A．because | B．since |
| C．as | D．because of |
It makes me very sad whenever I think of my grandma’s______ .
| A．dying | B．died | C．death | D．dead |
The little girl couldn’t be a student because of her __________.
| A．ill | B．sick |
| C．illness | D．sad |
__________ is really hard __ them to climb such a high mountain.
| A．This; to | B．It; to |
| C．This; for | D．It; for |