A) think
B) whether or not
C) if
D) when
Why choose a instead of b?
Do you think I should give a speech? When when becomes "Do you think I should go or not?" Although there is no difference between these two sentences in Chinese, the clause of a general question should be monomial rather than yes or no, that is, do you think there is repetition?
Jim doesn't know math or chemistry. ?
A) less
B) and
C) not less than
D) there are more.
Why choose a instead of c? Jim knows little about mathematics and chemistry. Item c cannot be followed by of.
Astronomically accurate calculations have been made using computers.
A) maybe
Is it possible?
C) maybe
D) make it possible
Why do you choose a instead of D have made and should be followed by adjectives instead of infinitives?
According to the periodic table, _ _ _ _ _ _ there are still some elements that have not been discovered.
A) there seems to be
B) it seems so.
C) it looks like
D) it seems here
Why choose a instead of b?
Semantically speaking, the sentence does not specifically refer to it, or it is not necessarily a formal subject.
Whether my answer is correct or not, I am annoyed with those who say that they are absolutely right.