[ Modals and Modal Perfects ]
It’s very catchy. I can’t stop looking at / singing it.
A. looking at
B. singing at

Random Topics:
Tenses - Irregular VerbsHas Got & Have GotToeic VerbCompound AdjectivesSimple TensesParts of Speech and Compound SentencesPast and Past ContinuousUsed to & would & Past Simple-ing form and the to-infinitiveActive and Passive voiceOther quiz:
All, Both, Neither, None, Either › ViewThere are twenty students in my class, but______of them like hip hop. Isn’t that strange?
A. all
B. either
C. none
D. neither
Vocabulary › View
When an author uses words such as best, worst, tallest, smallest, hardest, prettiest they are?
A. Giving an effect
B. Giving the author’s purpose
C. Giving the solution
D. Giving an opinion