试题详情

Not until all the fish died in the river ______ how serious the pollution was. ( )

It was not until 1938 in Britain () the first Holidays with Pay Act was passed.

The monument was built in honor of the explorer who was believed ＿ the river.

the sea. But as the river meets the sea, the sea acts as a barrier and forces the river to drop the

Great quantities of fish ______ in the river in the past few days. A. is caught B. are caught C. ha