Read the following extract and choose the most suitable word to fill in each gap:

          What made Sandra fear Mr. Moore the most was neither his (1) .................. appearance nor his (2) .................. manners. Rather, she was terrified by the way he would suddenly materialise out of nowhere. He'd suddenly be standing there, often (3) .................. at her with what could equally well be silent contempt or hatred. He would (4) .................. an instruction and, after (5) .................. at her menacingly for a few seconds that always seemed like eternity, he would disappear into his office again.

1, A. stern            B. severe            C. firm                   D. fixed
2, A. rash              B. careless         C. abrupt              D. sharp
3, A. scowling      B. jeering            C. simpering        D. growling
4, A. munch         B. mumble         C. muddle            D. muster
5, A. gaping          B. ogling             C. glancing           D. staring