Without electronic computers, much of today's advanced technology _______.
A. haven't been achieved
B. wouldn't be achieved
C. hadn't been achieved
D. wouldn't have been achieved
Jane said to her husband, "Don't worry. There is no cause for ________ about our daughter's ability to manage herself."
A. care
B. concern
C. attention
D. love
The tap won't ________, and there is water all over the floor.
A. turn off
B. turn down
C. turn on
D. turn up
Wearing the right shoes and clothes ________ being fit can make all the difference.
A. in addition
B. as well as
C. also
D. too