问题

I find ________ difficult to remember everything, though I’m still young.
A:that
B:this
C:it
D:X
B:this
C:it
D:X
正确答案是:
同类题型
Is this your e-book? —No, ________ is on the teacher’s desk.
Helen ______ books at the moment.
Where’s your mother, Helen?—She_________ the flowers in the garden.
The writer told us that he________ a great number of short stories in the last few years.
Are you afraid of the dark? —Me? Oh, yes! I usually go to sleep _____ my bedroom light on. [ ]