Many people agree that ______ knowledge of English is a must in _______ international trade today.
Susan, _____ university student from European, teacher me _____ art in he spare time.
—Catherine, I have cleaned the room for you.—Thanks, you __________it. I could manage it myself.
The boy wanted to ride his bicycle in the street, but his mother told him___________ .
There is nothing wrong with using a credit card for purchases. It’s more _______ than carrying loads of cash.
Cathy is taking notes of the grammatical rules in class at Sunshine School, where she ______ English for a year.