mous scientist, ____ a dinner party will be heldtonight, is to arrive soon.

Mum, I don’t think I am qualified enough to do this.–Honey, be confident! You should know it is ____ a man thinks of himself ___ really determines his fate.

Where can I stay at noon, Sir?—-It depends. You can stay ____in the classroom __in the dormitory.

Hi, Lucy．Have you heard of any good news about Frank recently? —Yeah．She ____ have done better．She has been admitted to one of the top-ten universities in the States．

The maths problem is ______ hard for us ______ solve.