-What can I do for you?
-I'd like to __________ this blue shirt for a bigger size.
| A．exchange | B．become |
| C．turn | D．grow |
— Do you still remember how we first met?
— Yes, you ________ to my office and ran into me on the way.
| A．were walking | B．walked | C．had walked | D．walks |
As many as five courses are provided, and you are free to choose _____ suits you best.
| A．whoever | B．whichever | C．whenever | D．wherever |
On many trains and buses, there are some special seats ________ out for senior citizens.
| A．marking | B．marked | C．to mark | D．mark |
The number of foreigners that ________ to Huaihua ________still increasing.
| A．come; is | B．comes; is | C．come; are | D．comes; are |
After school we went to the reading-room to do some reading, only to be told that it .
| A．is decorated | B．was decorated | C．was being decorated | D．is being decorated |