—Where were you doing when I called at your house this morning?—Oh，I______ for a friend from New York at the airport.
| A．waited | B．was waiting | C．have waited | D．am waiting |
He used _______short, but he is tall now.
A. to beB. toC. is
It took me _______ hour to finish my homework.
A.a B. an C. the
My mother_________500 yuan_______the bike.
| A．paid, on | B．paid, for | C．spent, to | D．spent, in |
I'd like to know __________or not.
| A．whether will he come | B．if he has come |
| C．whether he will come | D．that he will come |
We arrived _______the farm ______ a Tuesday morning .
| A．to, on | B．in, at | C．on, in | D．at, on |