[ Present Tenses ]
You look very serious. What ___________ about?
A. do you think
B. are you thinking

Random Topics:
Demonstrative PronounVerb PatternsTOEIC Grammar and Vocabulary ReviewVerb Patterns / IngPossessive AdjectivesVerbs of movementEd and Ing EndingsSimple TensesPresent simple, Present continuous, Singular, PluralInfinitive and GerundsOther quiz:
Grammar › ViewChoose the correct sentence
A. The toys’ of the children are all over the floor.
B. The childrens’ toys are all over the floor.
C. The children’s toys are all over the floor.
D. The children’s toys’ are all over the floor.
Grammar › View
If you could make a decision again, what _______ you choose?
A. will
B. would
Conjunctions › ViewBen fell down ___ hurt his knees.
A. and
B. or
C. but
Grammar › View
Would you mind if I …………………………your bike?
A. borrow
B. borrowed
C. to borrow
