have trouble with sth.
如：They have some troubles with the machine.
他们的机器出问题了.
这句话说的是,这就是我们出了很多问题的microscope.先行词which指代microscope.因此用with.
24.This is the microscope ______ which we have had so much trouble.
24.This is the microscope ______ which we have had so much trouble.
A) at
B) from
C) of
D) with
为什么是D呢,of不行吗
A) at
B) from
C) of
D) with
为什么是D呢,of不行吗
英语人气：247 ℃时间：2020-02-01 03:51:45
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