1. He decided to make further improvements on the computer’s design _________ the light of the requirements of customers. .

A. on

B. for

C. in

D. with

2. He shook his head as though _________ by his own vision.

A. dazzling

B. he is dazzled

C. he dazzled

D. dazzled

3. Moths are nocturnal pollinators, visiting scented flowers during the hours of darkness, whereas butterflies are _________, attracted to bring flowers in the daytime.

A. quotidian

B.diurnal

C. ephemeral

D. colorful

4. Not that John doesn't want to help you, _____________ it's beyond his power.

(A) but that

(B) for that

(C) and that

(D) in that

5. if you don't like to go fishing, you .......stay at home.

A.should as well

B. may as well

C. can as well

D. would as well

6. .They are my classmates and don’t realize ___________ to complete the test.

A. what it takes

B. what takes it

C. what they take

D. what takes them

7. all the holidays on offer are subject to___________.

A. avail

B.available

C.unavailable

D.availability

8.___________ fashioning __________ policy appropriate to ___________situation entails understanding___________forces that led up to it.

A, The/ ∅/ the/ the

B. ∅/ the/a/the

C. ∅/a/the/the

D.The/a/a/the

9.You couldn't trust her to look after your dog, ___________your child.

A. inasmuch

B. as against

C. let alone

D. given that

10. The smell of tobacco smoke___________the whole house.

A. overflowed

B. filled

C.scuttled

D. permeated

11. Turn off the machine, please. The harsh sound really ___________ me crazy

A. drives

B. takes

C. bothers

D. worries

12. as is known to all language learners, the newly learnt words will soon be forgotten unless___________ used in everyday communication.

A. gradually

B.loosely

C. exactly

D. frequently

S1 + V + As + Adv/Adj + As + S2. 

[If + thì hiện tại đơn], [will + động từ nguyên mẫu]

Câu điều kiện loại 2: [If + thì quá khứ đơn], [would + động từ nguyên mẫu]

Câu điều kiện loại 3: [If + thì quá khứ hoàn thành], [would + have + V3/V-ed]

f + S + had + V-pII, S + would/ could/ might + V

Couldn't được dùng  ở quá khứ hay được giới thiệu bằng một động từ ở thì quá khứ.

 tobe + V3 / V_ed

S + am/ is/are + V_ing + O

Mik chỉ gải thích 1 số cấu trúc thôi chứ nhiều lắm

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