what`s (up) with (someone)
what is happening or wrong with someone, how is everything with someone
"What`s up with the new supervisor? He seems very angry this morning."
What`s the big idea?
wheel and deal
when hell freezes over
when it comes right down to it
when it comes to (something)
when least expected
when one is good and ready
high on (something)
pick holes in (something)
swear on a stack of Bibles
leave (something) open
let out (something) or let (something) out
promise (someone) the moon
have (something) to spare
mark up (a price) or mark (a price) up
My Account / Test History
Sea Turtle Stare Down
A Hawaiian green sea turtle mugs for the camera at the Hawaaiian Islands Humpback Whale National Marine Sanctuary.
Sentence completions test your vocabulary & your ability to follow the internal logic of sentences.
Interactive multiple-choice grammar assessment to preparation and check expertise.
Learn English with the help of pictures.
Common Mistakes in English.
Vocabulary Game 2
Vocabulary based word games to build English language skills.