1. She makes _______ effort to learn maths and she has made _______ great progress in it.
A. an ; a B. / ; a C. the ; / D. an ; /
2. Every year, a great many visitors come to visit the temple ______ the 12th century, ______ has broug ht a large income.
A. dating from; which B. dated from; which
C. which dates from; that D. which dated from; which
3. The workers do nothing but _______ tea and talk to each other.
A. drinking B. to drink C. drink D. are drinking
