______ there is a snowstorm or other bad weather ,the bus always comes on time.
| A．Because | B．if | C．When | D．Unless |
. When we visited my old family home, memory came ________ back..
| A．flooding | B．to flood |
| C．flood | D．flooded |
. At the age of 29, Dave was a worker, ________ in a small apartment near Boston and ________ what to do about his future.
| A．living; wondering | B．lived; wondering |
| C．lived; wondered | D．living; wondered |
. Ladies and gentlemen, please remain ________ until the plane has come to a complete stop.
| A．seated | B．seating |
| C．to seat | D．seat |
—It’s cloudy outside. Please take an umbrella.
—______.
| A．Yes, take it easy | B．Well, it just depends |
| C．OK, just in case | D．All right, you’re welcome |
—What do you want to do next? We have half an hour until the basketball game.
—______. Whatever you want to do is fine with me.
| A．It just depends | B．It’s up to you |
| C．All right | D．Glad to hear that |