. I wrote to my parents once a week,____ I was too busy with my teaching work.
| A．it | B．unless | C．when | D．as |
-_________! The traffic is moving fast! -- Thanks, I will.
| A．Stop | B．Look out | C．Watch | D．Don't move |
--_________ you good luck in the new year. -- The same to you.
| A．Hope | B．Went | C．Wish | D．Like |
You can _______ what is happening in the world by the Internet.
| A．touch | B．make | C．hear | D．learn |
-Where's Tom? --He's left a _______ saying that he has something to do.
| A．excuse | B．sentence | C．news | D．message |
Ann is so careful that she always goes over her exercises to _______ there are no mistakes.
| A．look for | B．make sure | C．find out | D．think about |