Since the beginning of the vacation, I across the country, and my next stop is the Wuyi Mountains.
| A．had traveled | B．will travel | C．have been traveling | D．was traveling |
My pen friend and I keep in touch ________ sending e-mails often．
| A．with | B．by | C．on | D．of |
—Thanks for your help, but can you do me one more favor, please?
—________, Sir．What’s it then?
| A．Just a minute | B．My pleasure |
| C．That’s right | D．At your service |
He ________ comb his hair at the table, even though he knows I don’t like it．
| A．shall | B．may | C．will | D．can |
Dear me! Just _________ at the time! I _________ no idea it was so late．
| A．look, have | B．looking, had |
| C．look, had | D．looking, have |
Some of the exercises appear
to be ________ ones that you have done, but after taking ________ second look, you will find that they are different．
| A．不填; the | B．the; the | C．the; a | D．the; 不填 |