To make members of a team perform better, the trainer first of all has to know their .
Some scientists believe that ________ is no doubt ________ a cure for AIDS will be found.
The teacher asked his students to leave a space in their exercise books ________.
The driver who died in the accident _________, but he didn’t wear the seat belt. A. could survived B. could have survived B. must survived D. must have survived
I can’t tell you the exact time when I’ll get there, maybe at 8 or 9 or later. __________, I’ll be there as early as I can.
The headmaster will not permit the change in the course, nor _________ it a thought.