. Dolphins ___ communicate through a series of clicks and whistles.
A. can
B. could
C. able to
D. must
Random Topics:
Simple present/ past/ future tensePresent Simple x Present ContinuousAction vs Linking Verbs/ Verb PhrasesNoun PhrasesModal Verbs of PermissionHomophone & HomonymPreposition & GerundComparisionsPrepositions and Phrasal VerbsTenses of Verbs - UsageOther quiz:
Grammar › ViewWhat is the direct object:
Helene wrote a story about a pioneer town in Nebraska.
A. Helene
B. town
C. story
D. Nebraska
Modals › View
Which sentence uses a modal verb to express a necessity?
A. You can finish your project by Friday.
B. You must finish your project by Friday.
C. You might finish your project by Friday.
D. You should finish your project by Friday.
Modals in The Past › ViewThey ________________ (win) the football match, but John hurt his ankle.
A. could have win
B. could have won
C. should have winned
D. should have won
Conditional Sentences › View
If I _________________(not have) this terrible cold yesterday I ________________(do) my homework.
A. don’t have, will do
B. didn’t have, would do
C. hadn’t had, would have done