Victor apologized for _________ to inform me of the change in the plane.
| A.his being not able | B.him not to be able |
| C.his not being able | D.him to be not able |
24. Let’s learn to use the problem we are facing________a stepping-stone to future success.
| A.to | B.for | C.as | D.By |
23. ––––When can I come for the photos?I need them tomorrow afternoon.
––––They _____ be ready by 12p. m.
| A.can | B.should | C.might | D.need |
22. Is this factory _____ you visited the other day?
| A.where | B.that | C.the one | D.when |
21. In recent years _____ global warming is becoming ____concern for people all over the world.
| A.the; the | B./; a | C./; / | D.the; / |
Nowadays people have to pass various tests for professional __________ so that they can be qualified for a well-paid job.
| A.certificates | B.permission | C.admission | D.Perseverance |