I found ____________ hard to concentrate.
A: this
B: that
C: it
D: what
A: this
B: that
C: it
D: what
举一反三
- I found __________ hard to concentrate.
- ______the TV on，he found it hard to concentrate on his homework.
- He found it hard to concentrate on his writing ______ so many people around. A: when B: during C: because D: with
- Mary found _______extremely hard to solve the problem. A: it B: what C: that D: this
- I found hard to accomplish the task.