There is a mistake in the sentence. Find the mistake and correct it.
The climate in Vietnam is different than that in England.
A.The climate
B.different
C.than
D.in

She /used/ stay / her uncle/ when / be / a child.
A.She used to studying with her uncle when she was a child
B.She used to study with her uncle when she had been a child
C.She used to study with her uncle when she were a child
D.She used to study with her uncle when she was a child

It / difficult/ learn English / without/ good dictionary.
A.It is difficult to learn English without a good dictionary.
B.It is difficult for learning English without a good dictionary.
C.It is difficult of learning English without a good dictionary.
D.It is difficult from learning English without a good dictionary.

We ought to try clean our teeth ..............
A.once a day
B.at least twice a day
C.between meals
D.before breakfast

There is a huge amount of _______ associated with children’s TV shows nowadays.
A.produce
B.manufacturing
C.merchandising
D.sales

It’s essential that every student _______ the exam before attending the course.
A.pass
B.passes
C.would pass
D.passed

I decided to go to the library as soon as I _______ .
A.finish what I did
B.finished what I did
C.would finish what I did
D.finished what I was doing

“Please speak up a bit more, Jason. You’re hardly loud enough to be heard from the back”, the teacher said.
A.visible
B.audible
C.edible
D.eligible

Ancient Egyptians mummified their dead through the use of chemicals, _______ ancient Peruvians did through natural processes.
A.because
B.whereas
C.even though
D.whether or not

Issues from price, place, promotion, and product are_______ of marketing strategies planning, despite growing calls to expand the range of issues in today’s more complex world.
A.these that are among the most conventional concerns
B.among the most conventional concerns
C.they are among the most conventional concerns
D.those are among the most conventional concerns