study hard,_______ you will get better grade.A.or B.and C.because D.butthe rest of the students ______ not allowed to leave the classroom at that time.A.are B.have C.was D.werehe used to be afraid of snakes.how about you?——so _____i.A.did B.have

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study hard,_______ you will get better grade.
A.or B.and C.because D.butt
he rest of the students ______ not allowed to leave the classroom at that time.
A.are B.have C.was D.were
he used to be afraid of snakes.how about you?——so _____i.
A.did B.have C.was D.do
there are _______ trees on that mountain.
A.two millions B.two million of C.million of D.millions of

BDAD

B. and
C. was
A.did
D.millions of

答案:
B D A D

B D A D