Choose the correct answers to complete the gaps. Use American English in all your answers -- 'must not' or 'can't.'
Lilly ...... in love with her former English teacher. She's a gorgeous intelligent woman who would hardly be interested in a man like him.
can't be
must not be
The personal assistant ...... a hundred dollars every night on food and drinks as she only earns about 1,000 dollars a month.
can't spend
must not spend
Larry is an expert on cars so he ...... that old vehicle for as much as 5,000 dollars. I can tell you that it's worth 4,000 max.
can't have bought
must not have bought
The CEO ...... about the meeting. He always makes a note into his mobile and never runs late for important meetings.
can't have forgotten
must not have forgotten
The journalist ...... to the editor-in-chief who wanted to give him the sack. Just have a look at Phillip's face. He seems so happy and content.
can't have talked
must not have talked
Derek ...... home yet. It's just 12.00 am. He's only just started work.
can't be going
must not be going
The new staff ...... a lot of money. Any time I go past his desk she's on the phone talking to her boyfriend. Besides, we only get paid for the work we do around here.
can't be making
must not be making
The PA is not answering the phone. She ...... in the office right now. She's usually very quick at answering phone calls, you see.
must not be
can't be
Jack has been a little short of money lately so I guess he ...... his favourite BMW much lately too.
must not be driving
can't be driving
Angela has recently lost her purse, so I believe she ...... too happy about getting a new ID card and all those credit cards of hers.
must not be
can't be
The new hairdresser ...... the job for too long now. He's still quite unprofessional with the scissors, you know.
must not be doing
can't be doing
The young co-pilot ...... on a long-distance flight yet as she seems quite nervous.