This is ___that they all want to but it.
| A．a so useful book | B．such an useful book | C．a such useful book | D．so useful a book |
She felt very upset ___________ what her deskmate said.
A because B because of C as if D unless
When the expression first came into being, people refused （拒绝）to use it but _____ they began to accept it.
| A．usually | B．gradually | C．entirely | D．quickly |
Scientists say it may be five or six years _______ it is possible to test this medicine on human patients.
| A．since | B．after | C．before | D．when |
---Mike, please don’t forget to turn off the light when you leave.
---Pardon?
---I ________ forget to turn off the light.
| A．tell you don’t | B．told you not to |
| C．told you to not | D．told you don’t |
It is so nice to hear from her. _______, we last met more than thirty years ago.
| A．What’s more | B．That is to say | C．In other words | D．Believe it or not |