Thể vàng được hình thành từ đâu?
A.Tại buồng trứng ngay sau khi trứng rụng.
B.Tại bao noãn ngay sau khi trứng rụng.
C.Tại tử cung ngay sau khi trứng rụng.
D.Tại ống dẫn trứng ngay sau khi trứng rụng.

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
The woman _______ to your mother is my aunt
A.talking
B.to talk
C.is talking
D.talks

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
English is an important language for us _______.
 
A.masters
B.mastering
C.to master
D.master

Trứng rụng tương đối đều đặn hàng tháng thường theo chu kì
A.45 – 50 ngày.
B.28 – 32 ngày.
C.90 – 100 ngày.
D.10 – 15 ngày.

Thai nhi thực hiện quá trình trao đổi chất với cơ thể mẹ thông qua bộ phận nào?
A.Nhau thai.
B.Buồng trứng.
C.Ruột.
D.Ống dẫn trứng.

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
Irresponsible tourists damaged the archaeological site and some of the relics _______ back to the last ruling dynasty.
A.date
B.dating
C.dated
D.to date

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
We visited an ancient house _______ the Thu Bon River in Hoi An.
 
A.overlooked
B.overlooks
C.overlooking
D.to overlook

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
The man _______ by the window is my uncle.
A.is standing
B.standing
C.stands
D.to stand

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
I’m more interested _______ nature, and it would be fun to explore Phong Nha – Ke Bang National Park
 
A.with
B.to
C.by
D.in

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
When I was snoozing under a tree in that pagoda, I was woken up by a bell _______ in my ears.
A.to ring
B.rang
C.ringing
D.ring