Choose the best answer A, B, C or D

Ex1. Choose the best answer A, B, C or D.
1. The government wanted to know why the environment in that area as well as the
surrounding one_______.
A. becomes purer and purer B. were becoming more and more unpolluted
C. became over polluted D. became more and more seriously polluted
2. The manager asked the actress if she _______ that distinctive protagonist.
A. can assume B. can undertake
C. could assume D. could be undertaken
3. The accused asked the lawyer what percent _______ in that lawsuit.
A. might they hold steady B. they might hold steady
C. they may hold steady D. they can win
4. The customer asked the milk roundsman if he _______ all kinds of milk that she _______
recently to the main entrance of her office before 10 a.m.
A. could deliver; had ordered B. can deliver; ordered
C. will deliver; has ordered D. could take; ordered
5. Mom told the charwoman, Mary _______ her mischievous son, Thomas. However Mary
still _______ her important documents on the table.
A. to pay no attention; let him to touch B. to take little notice; let not to touch him
C. to attract attention of, let him touch in D. to take notice of; let him tear