Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to the following question.
If you have something important _____, you’d better say it aloud rather than whispering to each other.
A.to saying
B.saying
C.to say
D.say

Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to the following question.
" Who wrote this poem?" - " It's said ___________ written by one of the Bronte sisters."
A.to being
B.to have been
C.to having been
D.to be

Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to the following question.
Drying flowers is the best way ________ them.
A.preserved
B.preserve
C.by preserving
D.to preserve

Cho $\int\limits_a^b {f\left( x \right)d{\rm{x}}} = 2,\int\limits_b^c {f\left( x \right)d{\rm{x}}} = - 5,a < b < c$, thì \(\int\limits_a^c {f\left( x \right)d{\rm{x}}} \) có giá trị bằng:
A.$3$
B.$7$
C.$-3$
D.Không xác định được

Chọn khẳng định đúng trong các khẳng định sau:
A.Nếu $f\left( x \right)$ liên tục và $f\left( x \right)\ge 0$ trên $\left[ a;b \right]$ thì $\int\limits_{a}^{b}{f\left( x \right)d\text{x}}\ge 0$
B.Nếu $f\left( x \right)$ đồng biến trên $\left[ a;b \right]$ thì $\int\limits_{a}^{b}{f\left( x \right)d\text{x}}\ge 0$
C.$\int\limits_{-a}^{a}{d\text{x}}=0$
D.Nếu $\int\limits_{0}^{a}{f\left( x \right)d\text{x}}=0$ thì $f\left( x \right)$ là hàm số lẻ

Cho hàm số $y=f\left( x \right)$ có đạo hàm trên \(\mathbb{R}\) và $f\left( 0 \right)=3;f\left( 3 \right)=1$ . Khi đó, $I=\int\limits_{0}^{3}{f'\left( x \right)d\text{x}}$ bằng
A.$2$
B.\(3\)
C.$-2$
D.\(4\)

Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to the following question.
Our teacher would like__________ .
A.us practicing our pronunciation
B.us to practice our pronunciation
C.we to practice our pronunciation
D.that we practicing our pronunciation

Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to the following question.
The manager regrets ____ that a lot of people will be redundant by the company next year.
 
A.to have announced
B.having announce
C.to announce
D.announcing

Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions.
Half the way of the trip, we stopped _____ and let the others _____ up with us.
A.resting/catch
B.resting/to catch
C.to rest/to catch
D.to rest/catch

Choose the best answer for the following questions
Nowadays children would prefer history ______ in more practical ways.
A.teach
B.to teach
C.be taught
D.to be taught