____is often the case, we have worked out the production plan.
A. Which B. When
C. What D. As
____I explained on the phone, your request will be considered at the next meeting.
A. When B. After
C. As D. Since
Chan's restaurant on Baker Street,___________used to be poorly run, is now a successful business.
A. that B. which
C. who D. where
By serving others, a person focuses on someone other than himself or herself,_____can be very eye-opening and rewarding.
A. who B. which
C. what D. that
She brought with her three friends, none of I had ever met before.
A. them B. who
C. whom D. these
Correct the errors in the following sentences, if .
A． not B． necessary
C． any D． ever
