--- Sorry, it's already 6 o’clock. I have to be off for an appointment. ---OK. ________.
– I rang you at about ten o’clock, but there was no reply. – Oh, that was probably ________ I was seeing the doctor.
It will be more than 100 years ____ the country begins once again to look as it did before.
The situation is more _________ than ever. I’m _______about what to do next.
– Can you tell me ___________? – An engineer from Jinan Iron and Steel Plants.
It is requested that each of the teachers invited ______ a performance at the. party.