You may just give me a call or drop in, will do.
| A．Either | B．All | C．Each | D．Neither |
10．--- Hello, John here, can I speak to Mary , please?
---_____________.
| A．Of course, but she is out | B．She will be back in a moment |
| C．You may leave a message | D．Hold on, please |
9．_____ makes this shop different is that it offers more personal services.
| A．What | B．Who | C．Whatever | D．Whoever |
8．Although this_______ sound like a simple task, great care is needed.
| A．must | B．may | C．shall | D．Should |
7．Please ______ your sister to bring the ticket for the concert.
| A．remind | B．remember | C．warn | D．Let |
6．Be careful! The slightest spark（火花）could ______ the fireworks.
| A．set about | B．set off | C．set out | D．set up |