He _______ you an e-mail as soon as he ________ a plan.

Five-star hotels provide better services than some small hotels. You _______ even use free WIFI there.

The students study _____ school _____ Monday to Friday. [ ]

Wedon’thavetogofarifweneedhelp _________ ourhomework.[ ]

It was in the wooden house______ a businessman built by collecting funds______ the great scientist carried out the experiment that made a difference.