"Will you _______ us in the discussion ", she asked us.
A join in B join C take part in D take part
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
