She ________ when she received her medical report.
| A．could help but to cry | B．couldn’t help but crying |
| C．couldn’t help crying | D．couldn’t help to cry |
It's not what we do once in a while ______ shapes our lives, but what we do consistently
A which B that C how D when
In the near future more advances in the robot technology ______ by scientists.
A are making B in made C will make D will be make
Jack wasn't saying anything but the teacher smiled at him ____ he had done something very clever.
A as if B in case C while D though
Only after they had discussed the matter for several hoursa decision.
| A． |
they reached |
B． |
did they reach |
C． |
they reach |
D． |
do they reach |
Before a problem can be solved, it must be obvious ______ the problem itself is.
A. what B that C which D why