Choose A, B, C, or D to complete the sentences.
He was seen ________ the tree over there.
A.to climbed
B.to climbing
C.to climb
D.climbing

Choose the underlined part among A, B, C or D that needs correction.When an (A) university formulates new regulations (B), it must relay (C) its decision to (D) the students and faculties.
A.regulation (B)
B.an (A)
C.to (D)
D.relay (C)

Choose the underlined part among A, B, C or D that needs correction.If it hadn't (A) been for (B) your help, I would have never been (C) able finishing (D) that task.
A.hadn't (A)
B.for (B)
C.finishing (D)
D.have never been (C)

Choose the underlined part among A, B, C or D that needs correction.Vietnam is well-known (A) in (B) the world for it's (C) hospitality (D) and beautifulsight-seeing.
A.it's (C)
B.in (B)
C.known (A)
D.hospitality (D)

Choose the underlined part among A, B, C or D that needs correction.Neither they (A) nor (B) he are (C) going to the (D) play tonight.
A.are (C)
B.nor (B)
C.they (A)
D.the (D)

Choose A, B, C, or D to complete the sentences.
I learn English ________ with foreigners.
A.to communicate
B.to communicating
C.order to communicate
D.communicating

Choose the best answer to complete the following sentences.He might be Jack and Laura's father, ________?
A.mightn't he
B.doesn't he
C.hasn't he
D.isn't he

Choose the best answer to complete the following sentences.She said Paris was the most romantic city in the world, _______?
A.didn't it
B.wasn't she
C.didn’t she
D.wasn't it

Choose the best answer to complete the following sentences.Give me a call as soon as you arrive at the airport, _________?
A.will you
B.did you
C.do you
D.won't you

Choose the best answer to complete the following sentences.I am the only representative of Vietnam in this competition, ________?
A.not I
B.aren't I
C.amn't I
D.isn't I