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:

Relative Pronouns › View

This is the book _________ everybody has been waiting for.

A. where

B. that

C. whose

D. what

Prepositions and Prepositional Phrases › View

Choose the sentence that uses a preposition correctly to indicate location.

A. She walked quickly to the store.

B. He jumped over the fence.

C. They laughed at the joke.

D. The book was on the table.

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