David Beckham has ______ children. Brooklyn Beckham is his ______ son.

_______ work did we have to do that we were soexhausted.

We must make sure that public facilities in the newly－built buildings,like the restroom and the lift,are__________to disabled visitors.[ ]

I could hardly tell the twins apart because their appearances are only ____ different

The reason _______ he gave for being latewas ________ he overslept this morning．