We will ______ a computer ______ pictures.

Why_______ to ask your friends to have dinner in Sunshine Restaurant

You will want two trees about ten feet apart, from ______ to suspend your tent

Did you arrive here this morning?—Yes,it was at nine o’clock ____we came here.

I hear Sam has gone to Qingdao for a holiday. —Oh, how nice! Do you know when he_______