A. are B. is C. am D. were
A. It has B. There has C. It is D. There is
A. having B. taking C. on D. in
A. not only...but also B. both...and C. as...as D. so...as
A. give B. led to C. lead to D. affect
A. though B. unless C. in spite of D. as long as
A. with B. at C. to D. on