Mary ________ as a secretary in this company for twenty years and now she stays at home taking care of her own garden.
A．has served B．had served
C．is serving D．served
They ________ to go shopping in the downtown district, but they cancelled it because of a hard rain.
A．had intended B．intended
C．have intended D．were intending
—Alas! I have left my key to the office in my car.
—Don't worry. I ________ it for you. Wait a minute.
A．get B．am going to get
C．will get D．am getting
—Did you enjoy meeting your old schoolmates at the party last week?
—Yes, I did. We ________ each other since we graduated from college.
A．haven't seen B．didn't see
C．hadn't seen D．wouldn't see
Siberian Tigers ________ and killed at such a speed that they will disappear from the earth in the near future.
A．hunted B．are hunted
C．are being hunted D．had been hunted
To her disappointment, what she had devoted herself to ________ in nothing but failure.
A．resulting B．results
C．has resulted D．resulted
