[ Grammar ]
Phong, Vy and Duy (ride)…. their bicycles to school now
A. aren’t riding
B. don’t riding
C. haven’t riding
D. hasn’t riding

Random Topics:
Comparative and SuperlativesVerb FormsLet & Be allowed toSuffixes and TensesCan vs CouldSpeech TensesPast Tense vs Present Perfect TenseReported Speech and Reported QuestionsModals TensesSubordinating Conjunctions and ClausesOther quiz:
Gerund, Infinitive, Bare Verb › ViewI am planning ___VISIT____ my granny next week.
A. visit
B. visiting
C. to visit
Grammar › View
Identify the tense error: I am seeing that movie last week.
A. I will see that movie last week.
B. I see that movie last week.
C. The correct sentence is: I saw that movie last week.
D. I am seeing that movie next week.
Infinitives › ViewWhat is the infinitive phrase in the following sentence?
In the mall, we want to walk quickly to the food court.
_
A. to walk
B. to the food court
C. In the mall
D. to walk quickly to the food court
Vocabulary and Grammar › View
A great way to improve ______ skills is to keep trying new things.
A. reason
B. reasoning
C. reasons
D. reasoned
