[ FOR & SINCE ]
I have been waiting _______ 4 o’clock.
A. since
B. for

Random Topics:
So....that... Such.......thatImperative SentencesSimple Past Tense & Future TenseLinking Words and PhrasesConjunctive AdverbsOffering HelpRelative Clauses and UsageVerbs & Phrasal VerbsConjunctionsSimple Present Tense vs Present Continuous TenseOther quiz:
Grammar › ViewThe singular present tense form of the verb ” to comb” is. . .
A. “combs”–and that is regular.
B. “comb” –and that is regular
C. “combs”–and that is irregular
D. “comb”–and that is irregular
1st and 2nd Conditionals › View
If the teacher sees me, she _____ tell me to focus on the lesson.
A. will
B. doesn’t
C. would
D. wouldn’t
Present Perfect Tense › ViewHow many books has the author _______ so far? About five books.
A. write
B. written
C. writing
D. wrote
Grammar and Vocabulary › View
Sam and Kevin are running ________ the park.
A. on
B. in
C. under