—Jim,you said you'd lend me your MP5.—I'm sorry I forgot my promise but you ________ have it next Saturday.
Do you know the Three Gorges Dam is the largest hydro-electric dam ever_______?
English is a language shared by several different cultures, but each of ______ uses it somewhat differently.
Have you ever had the case _______ you can’t recognize your friend’s voice on the phone?
He made another wonderful discovery,_____ of great importance to science.
When the poor old lady tried to ______ the cup on the shelf to have a drink, she ______.