________ you need something, please don't hesitate to let me know.
| A．Even though | B．In case |
| C．As though | D．Even if |
Mr. White his racing bicycle by himself yesterday, but I am not sure whether it is ready.
| A．repaired | B．had repaired | C．was repairing | D．would repair |
English for more than six years, he can speak and work very well with that businessman from England.
| A．To have learned | B．To learn | C．Learning | D．Having learned |
—Is there a letter for me?
—Yes, came for you this morning.
| A．that | B．it | C．one | D．the letter |
When the audience heard the alarm, they all hurried to they thought was an emergency exit door.
| A．what | B．which | C．where | D．who |
He sent me an e-mail, ______ to get some further information for his research.
| A．hoping | B．hoped | C．to hope | D．hope |