[ Relative Clauses ]
A new security door, ______________________ can be operated by remote control, will be installed next month.
A. that
B. it
C. them
D. which

Random Topics:
Gerund & ParticipleSimple Present and Simple PastPrepositions and TensesWH- Question WordsVerb + InfinitivePhrases and TensesHave vs. HasLexico and GrammarGerunds/InfinitivesModals and VocabularyOther quiz:
Grammar › ViewI need to make _____ appointment with Dr. Jones, please.
A. An
B. O
C. A
D. The
Grammar › View
What time ….
A. the train leaves?
B. does the train leave?
C. is the train leaving?
D. leaves the train
Gerunds, Infinitives and Modals of Possibility › ViewShe ___ be at home, but I’m not sure.
A. might
B. will
C. has to
D. should
Simple Present Tense › View
We cooked a chocolate cake every monday
A. True
B. False
