I have been studying ___ half an hour. a. until ...

[ Prepositions ]

I have been studying ___ half an hour.
a. until
b. since
c. for

Select your answer:
A B C D E

Random Topics:

Past Simple vs Present Simple Perfect Tenses Present and Past Simple Tense BASIC GRAMMAR - PRONOUNS Coordinate Conjunction Essential and Nonessential Clauses Adjectives, Adverbs, and Prepositions Nouns Active and Passive voice Noun Clause

Other quiz:

Present Perfect Tense › View

I_________________________ (eat) fried spiders. (+)

A. have eaten

B. has eaten

C. haven´t eat

D. haven´t eaten

Grammar › View

What part of speech is the word “cat”?

A. Verb

B. Noun

C. Pronoun

D. Adjective

Grammar › View

Read the sentence.

Giant pandas live in the mountain ranges of central china.

Which underlined word should begin with a capital letter?

A.     pandas

B.     ranges

C.     central

D.     china

Tenses › View

All of a sudden Eric was completely lost. All he had with him was his snowboard, some bubble gum and an MP3 player. Eventually, he remembered something … in a movie about using an MP3 player as a compass.

A. was seeing

B. ‘d seen