Is this the reason _______she explained in the report for her success in the job?
| A．what | B．that | C．how | D．why |
The factory, including its machines and buildings, ______ burnt to ashes during the fire.
| A．is | B．are |
| C．was | D．were |
– Are you cleaning my room?
– I can’t help _____. I can’t bear seeing people’s room in a mess!
| A．it | B．this |
| C．anything | D．so |
He thought that painting copied by a modern artist was ______ great value and bought it ____ over a thousand dollars.
| A．at; for | B．of; for |
| C．of; at | D．for; by |
Let him who tied the bell onto the tiger take it off -- _____ started the trouble should end it.
| A．whomever | B．who |
| C．whoever | D．anyone |
Social networking is an important factor _______ business success.
| A．devoting to | B．appealing to |
| C．attaching to | D．leading to |