My classmate regretted ______ me that they had regretted _____ paying a visit to the car show yesterday.
| A．to tell; to miss | B．to tell; missing | C．telling; to miss | D．tell; missing |
____ friend of my grandfather’s will come tomorrow. I’m wondering how old ____ man he might be.
| A．The; a | B．The; the | C．A; a | D．A; the |
——You can’t imagine ____ fantastic fun web chatting is.
——Really? But it may cause a lot of trouble sometimes.
| A．what | B．how | C．why | D．so |
There aren’t many seats left for the concert; you had better make sure ____ two today.
| A．getting | B．to have got | C．that you get | D．that you will get |
Examination compositions, together with most business letters and government reports, are the main situations ____ formal language is used.
| A．in which | B．on which | C．of which | D．for which |
If you don’t keep the meat in the refrigerator on such a hot day, it may ____.
| A．go out | B．go away | C．go off | D．go down |