One or perhaps more pages _______.
| A．is missing | B．has been missed | C．are missing | D．was missing |
-- Why didn’t you go to Mike’s birthday party yesterday?
-- Well, I _____, but I forgot it.
| A．should | B．would | C．should have | D．must have |
It is not how much we do but how much love we put into what we do _____ benefits our work most.
| A．when | B．that | C．what | D．how |
Evidence has been found through years of study _____ children’s early sleeping problems are likely to continue when they grow up.
| A．why | B．how | C．that | D．whether |
The singer’s flight was _____ due to bad weather, resulting in the show _____.
| A．put out; to be canceled | B．put off; to be canceled |
| C．put out; being canceled | D．put off; being canceled |
As the family did not make a(n) _____ ahead of time, they had to wait at the restaurant in order to get a table.
| A．approval | B．reservation | C．arrangement | D．enquiry |