Children under 18 will not be ____into the pub in this country.
English is ___ useful language.A. a B. an C. the D,/
He was caught in the heavy rain.That’s ___ he was ill.
--Would you be ___ to help me with my study?---I'll be very glad ___ it.
The film was so ___ that we were greatly ___ in it.
I wondered ___.