I think you should complain, _____, of course, you are happy with the way things are.
A.until | B.although | C.when | D.unless |
—You were out when I dropped in at your house.
—Oh, I ________ for a friend from England at the airport.
A.was waiting | B.had waited | C.am waiting | D.has waited |
It is said in the book that Thomas Edison (1847—1931) ________ the world-leading inventor for sixty years.
A.would be | B.has been | C.had been | D.was |
Because the shop ________ , all the T-shirts are sold at half price.
A.has closed down | B.closed down | C.is closing down | D.had closed down |
The discussion ________ alive when an interesting topic was brought in.
A.was coming | B.had come | C.has come | D.came |
The teacher, with 6 girls and 8 boys of her class, ________ visiting a museum when the earthquake struck.
A.was | B.were | C.had been | D.would be |