Hình thức sinh sản tạo ra nhiều biến dị tổ hợp ở sinh vật là 
A.sinh sản hữu tính.
B.sinh sản nẩy chồi.
C.sinh sản vô tính.
D.sinh sản sinh dưỡng.

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
We are _______ for a picnic tomorrow. There are a lot of things to do now.
A.arranging
B.looking
C.preparing
D.expecting

Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to the following question.
What is her name? -It’s _____________ Elise _______ Elouse.
A.whether/ or
B.neither/ nor
C.both/ and
D.either/ or

Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to the following question.
Summer camp offers ___________ swimming suits ___________ camping tools.
A.neither/ nor
B.either/ or
C.not/ but
D.not only/ but also

Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to the following question.
I'll take my vacation __________ in July ____________ in August.
A.either/ or
B.neither/ nor
C.not only/ but also
D.not/ but

Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to the following question.
Neither the local environmentalists nor the mayor ______ a plan that will satisfy everyone.
A.is
B.has
C.are
D.have

Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to the following question.
_____ Long _____ his brother was at the party last night. They were both busy.
A.Both/ and
B.Either/ or
C.Neither/ nor
D.Neither/ or

Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to the following question.
Bill took not only a French class, ________ a Japanese class.
A.but too
B.too
C.but also
D.and

Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to the following question.
- I can’t see the stage very well from here.
- ________.
A.Neither can’t I.
B.Neither I can
C.I can’t, either
D.So do I

Khi kinh doanh, pháp luật quy định công dân phải
A.thực hiện phúc lợi xã hội.
B.nộp thuế đầy đủ.
C.tạo ra nhiều việc làm.
D.kinh doanh có lãi.