In that school, English is compulsory for all students, but French and Russia are ____ .
A. special B. optional C. regional D. original
––Why didn’t you come to the party?
––I had meant _____, but something unexpected happened.
A. so B. that C. not D. to
We should discuss the plan _____ before we work it out.
A. in general B. in detail C. on time D. on purpose
Mom used only half of the money, the rest of which ______ saved for other purposes.
A. is B. are C. was D. were
As he reached _____ back door, Jack saw _____ strange sight.
A. the ; / B. a; the C. /; a D. the ; a
Between the two parts of the concert is an interval, ______ the audience can buy ice-cream.
A. when B. where C. that D. which