[ Gerund vs. Infinitive ]
It is very difficult __________ this question.
A. Answering
B. To answer

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Grammar › ViewJane is a baby, she is too small to eat by _____.
A. herself
B. myself
C. yourself
D. himself
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My brother and sister …. at school.
A. am
B. are
C. is
Tenses › ViewI … Spanish since middle school and I still can’t speak it properly.
A. have learned
B. learned
C. am learning
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She doesn’t want to wait because she isn’t a ——- person.
A. successful
B. success
C. patient
D. patience