If he ________ my advice, he wouldn't have lost his job.
.As is known to all,____ tiger is in____ danger of dying out.
---Let’s see if the basketball game has started yet. ---Started? It must be clear who _ by now.
---Are you still going to Shanghai for the Spring Festival? ---Yes, but I really __ because I have a lot of things to deal with.
---Look! The clouds are gathering. ---Yes. I’m afraid it __ be pouring down soon.
The poor boy __ the test again; in that case, his mother will be very disappointed.