---In recent years, problem of global warming had been very serious. ---That is right. People are facing number of natural disasters now.
---In recent years,
problem of global warming had been very serious.
---That is right. People are facing
number of natural disasters now.
Most people admit _____ the fact that it is not easy _____ into a famous university.
You ought to be stricter _____ your son; it’s no use only being strict _____ his work.
Teachers should _____ on their students the value of hard work.
The father as well as his three children _____ skating on the frozen river every Sunday afternoon in winter.
The report indicates that the new power station produces ______ energy as the one built earlier.