It's my time to come to the bookstore this month because most of the books in it are my favorite.
A. forth B. four C. fourth
—When _______ this stone bridge______ ?—In 1935.
| A．did; build | B．was; built |
| C．does; build | D．is; built |
—Where have you _____?—I have _____the teachers’ office.
| A．gone; gone to | B．gone; been to |
| C．been; been to | D．been; gone to |
—Where’s Jill?
—She ________ in the office. I saw her there just now.
| A．may be | B．must be |
| C．can be | D．should be |
There used to be a boarding school there, _______?
| A．don’t there | B．didn’t there |
| C．isn’t there | D．doesn’t there |
Would you please help me _____ the picture on the wall?
| A．put up | B．put on |
| C．put into | D．put off |