I picked ______ a pen.
A. up
B. at

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Grammar - Present Perfect with for and sincePresent and Past TenseCan/CouldPronoun-Verb AgreementPronoun & Present SimpleGrammar : Structural Common ErrorsWill vs be going toHow often - long - much - manyZero and First ConditionalsInfinitives or GerundsOther quiz:
Mixed General Quiz › View“It is a wise child that knows its own father” means ___.
a. A man who is not the father is potentially dangerous to a child..
b. It is harder for a baby to recognize its father than its mother.
c. It is good for children to get to know their fathers.
d. One can never have certain proof that a man is one’s father.
Passive Voice › View
‘Let’s work out the solution together!’ Peter says.
A. Peter suggested working out the solution together
B. Peter suggested that working out the solution together.
C. Peter suggested should work out the solution together.
D. Peter suggested to working out the solution together.
Modals › ViewZoe ___ bring her own lunch to school if she prefers eating snacks from the vending machine.
A. can’t
B. doesn’t have to
C. shouldn’t
D. might not
Grammar › View
___________________ received the reward this month? William did.
A. whose
B. what
C. which
D. who