[ Vocabulary & Grammar ]
Please call the technician to ……………………. the company ACs. They do this every year.
A. monitor
B. install
C. maintain
D. assemble

Random Topics:
Simple Present Tense/be/Present ProgessivePresent Continuous, Present Perfect and Used toQuantifiers, Countable and Uncountable NounsConditionals and Modals of ProbabilityPassive Modals in Different TensesPRESENT SIMPLE - CHILDRENOffer and SuggestionModals for Necessity and SuggestionsGerunds and InfitinitivesModals and InversionOther quiz:
Grammar › ViewJason ______ exercise before(在……之前)he worked in the gym. Now, he ______ it after work every day.
A. never; did
B. didn’t; did
C. doesn’t; does
D. didn’t; does
Grammar › View
Javier ___ like American football.
a. doesn’t
b. don’t
c. isn’t
d. aren’t
Hasan can’t play next match. He …………………… his finger.
A. have broken
B. has breaked
C. has broken
D. was broke
Grammar and Vocabulary › View
________ you late?
A. Do
B. Why
C. Why are
