Helen and Mary… ....................... for me for the past two hours.

The computer costs so...... money that the family decided not to buy it.

A: Is it John's turn to start the game? B: No, it isn't. It's ----------- --.

The chemistry teacher has worked here ...... the beginning of the year.

Has anyone seen Chris recently? I....................... to contact him since last Monday.

All of your travel plans have been made. When you arrive, someone ...... for you at the airport.