I don’t think it is teachers who ______ for giving students too much pressure

ven’t lost the concert ticket, have you–______ I know it is not easy to get another one atthe moment, but nowhere can I find it

However weak we are，we can still do something against the powerful nature so long as we areprepared

The place was flooded ________ it had been raining for several weeks.[ ]

What ________ is a basketball—- It is ________.