Câu hỏi: Scientists ____ on the site found many ancient tools, tombs and pottery, and made some important archaeological discoveries.

A. worked

B. working

C. to work

D. to be working

Câu 1: Marie, ................ I met at the party, called me last night.

A. that

B. whom

C. which

D. whose

Câu 2: Mike often has_________ at 11:00.

A. a lunch

B. the lunch

C. lunch

D. an lunch

Câu 3: I assume that you are acquainted ________ this subject since you are responsible ________ writing the accompanying materials.

A. to/for

B. with/for

C. to/to

D. with/with

Câu 4: There is a luxurious hotel to the _______ of his house.

A. front of

B. opposite

C. right

D. between

Câu 5: The plants which ................ in the living room need a lot of water.

A. are

B. be

C. is

D. was

Câu 6: Could you please provide us ……………..some more modern equipment?

A. for

B. by

C. in

D. x