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

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Grammar › ViewLife is now ___________________ than it was.
A. less comfortable
B. more comfortable
C. fewer comfortable
D. comfortabler
Grammar › View
The walls, made of ______, were falling down, and the windows were long gone. Birds had made their homes in the roof.
A. glass
B. silver
C. stone
Tenses › ViewI … Spanish since middle school and I still can’t speak it properly.
A. have learned
B. learned
C. am learning
Grammar › View
She doesn’t want to wait because she isn’t a ——- person.
A. successful
B. success
C. patient
D. patience