may I keep these books?—Two weeks. [ ]

I do all housework every day ______ my husband Bob just washes the dishes now and then.

He was wearing a pair of sunglasses and I didn’t _____him at first.

He made another wonderful discovery, __________ of great importance to science.

My daughter lived in France for five years and now she’s working in a foreign company.—______is no wonder that she speaks such excellent French.