―What about 10 o’clock tomorrow morning?
―I’m afraid I can’t make it. I _________ then.
| A．am going to take an exam | B．am taking an exam |
| C．will be taking an exam | D．an to take an exam |
---- Is Mary coming to the concert?
---- I think ________.
| A．yes | B．it | C．that | D．so |
---- Have you been here long?
---- _______.
| A．No, not very long | B．Not much long |
| C．Yes, only little long | D．No, only yesterday |
________ mud on his trousers brushes off easily.
| A．Drying | B．Having dried | C．Being dry | D．Dried |
The young lady was careful _________.
| A．not repeating her mistake | B．not repeated her mistake |
| C．to not repeat her mistake | D．never to repeat her mistake |
________ their inexperience, they’ve done a good job.
| A．Given | B．To give | C．Giving | D．having given |