------________ are you staying in China? ------For about two months.
The maths problem is ______ hard for us ______ solve.
The girl was seen the piano at 4.00 yesterday afternoon.
— Where ’s your mother ?— She ________ Shanghai . She won’t be back ________ next week .
orange key ring is Timmy’s. It’s present from Neil.
--- Thanks for inviting me to your party. ---__________.