[ Grammar ]
You have to be diligent ____ you will lag behind.
A. or
B. and
C. but
D. unless

Random Topics:
Active & Passive VoiceRoot WordSecond ConditionalBe going to / WillGrammar - PunctuationModal VerbsGive, do and makeModals for DeductionPreposition on TimeQuestion WordsOther quiz:
Grammar › ViewThe plane ……………. (take off) tomorrow at 9 o’ clock.
A. will take off
B. is taking off
C. take off
D. takes off
Future Tenses › View
Which sentence is correct?
A. They are going to launch a new product next year.
B. They launch a new product next year.
C. They will launch a new product next year.
D. They are launching a new product next year.
Simple Past Tenses › ViewHe ___ to work by bus yesterday.
A. goes
B. gone
C. went
Future Tense › View
A: What are your plans for the weekend?
B: I ____ my Maths project.
A. will do
B. ‘m doing
C. am going to do
D. will be do
