—Tina， I have cleaned most of the windows.
—That's very kind you. It's difficult me to do it all by myself.
| A．of； for | B．for； of | C．for； for | D．of； of |
I love the airit rains because it smells fresh.
| A．since | B．after |
| C．before | D． whenever |
-Whose iPhone 6+is it?
. I'm looking for it here and there.
| A．I | B．Me | C．Mine | D．Myself |
On snowy days, a driver must drive as ____as possible.
| A．fast | B．slowly | C．wisely | D．carefully |
Taxi Apps（打车软件）can help us travel around more easily. ___more and more people like using them.
| A．Or | B．So | C．And | D．But |
We can't make a sandwich without?
| A．bread | B．onions | C．yogurt | D．tomatoes |