硝酸钠生产线产能:have trouble in doing sth
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in可不可以省略呀!
完全可省,放心吧
PLS have no trouble omitting "in"
可以
可以
可以省略
have trouble doing sth
例如:
I have trouble finishing the work.
不可以省略
have trouble in doing sth
trouble!!!!
Did you have any trouble __(find)the post office.
have been in
-Sorry to have given you so much trouble. -____.A.No trouble at all. B.Don't be sorry.
sorry to have given you so much trouble. -____.A.No trouble at all. B.Don't be sorry.
-----Sorry to have given you so much trouble. ----____.A.No trouble at all. B.Don't be sorry.
-sorry to have given you so much trouble. -____.A.No trouble at all. B.Don't be sorry.
----sorry to have given you so much trouble. -____.A.No trouble at all. B.Don't be sorry.
-Sorry to have given you so much trouble. -____.A.No trouble at all. B.Don't be sorry.