Last Monday,while the students on the playground watching the national flag being raised,something unexpected .
I heard_____ voice that had been shouted to me as a child.
.How can you pass the examination_____ you never attended class?
Don’t touch anything in the lab unless____. A. to be allowed B. allowed C, to be allowing D.allowed to
I hear____ boys in your school like playing football in their spare time,though others prefer basketball.
She may have missed the train,____ she won’t arrive for another hour.