Students in____uniform are doing eye exercises.
| A．regular | B．usual | C．common | D．regulation |
--- How about going out for a break?
---. We've been working for three hours.
| A．Take your time | B．It's my pleasure | C．Come on | D．I totally agree |
It was announced that only when the terrible disease was under control _____ to return to
their homes.
| A．the residents would decide | B．would the residents decide |
| C．would the residents be decided | D．the residents would be decided |
Spelling Bee is a contest _____ competitors, usually children, are asked to spell as many words as possible.
| A．which | B．where | C．what | D．when |
When asked to explain _____ he did to make his students so fascinated with his lessons, the teacher paused and thought deeply.
| A．what was it that | B．that what it was | C．what it was that | D．what was it |
The subway was crowded with passengers going home from market, most of _____ carrying heavy bags and baskets full of fruit and vegetables they had bought there.
| A．whom | B．them | C．who | D．which |