—It’s really a surprise th at the manager should have no idea about the plan.—Of course he doesn’t, for the plan was made in his          .

The top leaders of the two countries are holding talks in a friendly______

The truth is ____ it is too foggy for the bus to run ____ far.

There is no _____ that taking regular physical exercise is good for your heart.

It is widely reported in the western media that the drug ______ is now becoming a leading cause of teenager crimes.