---Were you busy last weekend?
---Very. Rather than __________ time playing cards as usual, I devoted every effort to________ an advertisement.
| A．wasting; making | B．waste; make | C．to waste; make | D．a waste of; making |
–Mom, I will send you a gift for your birthday, ____ beyond your imagination.
--Oh, dear, thanks.
| A．which | B．what | C．the one | D．something |
____ the machine, the engineers paid much attention to the noise from it.
| A．Having examined | B．Being examined | C．Examining | D．Examined |
____ the 1990s, the number of antelopes had fallen to about 50,000.
| A．During | B．Since | C．By | D．Over |
If the machine makes a mistake -- ____ rarely happens -- it gives a warning in the form of a red light.
| A．that | B．which | C．as | D．what |
J.K. Rowling, ____ gifted creator of Harry Potter, is ____ success in the literary world.
| A．a; a | B．\; a | C．the; \ | D．the; a |