[ Tenses ]
One of the most difficult problems ______ whenever we try to achieve goals.
A. arise
B. arises
C. is arisen
D. are arisen

Random Topics:
Adjective OrderTenses - Pasive VoicePossessive AdjectivesSo....that... Such.......thatModal Verbs - ObligationMay, MightApostrophes and Quotation MarksPast TensesVocabularyGerunds + To InfinitiveOther quiz:
Vocabulary › ViewA type; a stylistic category or sort, especially of literature or other artworks
A. Genre
B. Satire
C. Euphemism
D. Anecdote
Intermediate Grammar › View
This house is quite old. It ….. in 1910.
A. built
B. was built
C. is built
D. build
Grammar › ViewWhich verbs are future perfect tense
A. had
B. has, have
C. will have
Gerunds › View
Identify the gerund
Many of the laughing students love singing.
A. Many
B. laughing
C. love
D. singing
