We must not touch this switch under any ______.
| A．situation | B．atmosphere |
| C．circumstances | D．civilization |
You have failed to do what you ________ to and I’m afraid the teacher will blame you.
| A．will expect | B．expected | C．will be expected | D．were expected |
On her birthday, she received from her parents a nice present ________ a note was attached, saying “We love you so much”.
| A．which | B．to which | C．in which | D．where |
________ excited Geoff Marcy most was whether there were planets in other solar system where life might exist.
| A．It | B．That | C．What | D．Why |
The old man has a strange way of speaking. Here is a recording of his speech, but no clear ________ of what he has said can be made at all.
| A．sense | B．meaning | C．idea | D．explained |
Hopefully, another ten volunteers ______ to work in the new exhibition by the end of this week.
| A．will be selected | B．are selected |
| C．have been selected | D．will have been selected |