[ Vocabulary ]
When you speak to your manager about his presentation, please remember not to undermine his authority.
Undermine means:
A. To reduce in intensity or effectiveness
B. To make weak : lessen the strength of
C. Enfeeble
D. All of the above

Random Topics:
Functional Sentence TypesWho vs Whom-ed and -ing AdjectivesUsed toInfinitive FormsToeic VerbPresent and Past TensePhrasal Verbs with up and downConjunctions and CommasVerbs: Will & Going toOther quiz:
Modal Verbs › ViewWhat ___ you ___ if you experience shortness of breath?
A. will/do
B. can/do
C. should/do
Grammar › View
When you are on duty (đang trực), your uniform ……………..at all times
A. must be worn
B. must wear
C. must have worn
D. must have been worn
General › ViewHIS OFFICE IS ON THE FIRST ______________
A. LEVEL
B. FLOOR
Types of Simple Sentences › View
Mrs. Williams went to the store.
A. declarative
B. imperative
C. exclamative
D. interrogative
