Câu hỏi: In bacteria and other organisms, ............

A. it is the DNA that provides the genetic information

B. which is the DNA that provides the genes

C. the DNA providing the genetic information

D. the DNA that provides the genetic information 

Câu 1: .............., we couldn’t have continued with the project. 

A. Unless we had your contribution 

B. Provided your contribution wouldn’t come

C. Even if you didn’t like to contribute

D. If you hadn’t contributed positivel

Câu 2: He won't find a seat unless he's got a ticket. 

A. Because he has got a ticket already, he will find a seat. 

B. He can't find a seat although he has a ticket.

C. He will only get a seat if he has a ticket.

D. He will be able to get a ticket when he finds a seat. 

Câu 3: I wish George had come to Italy with us. 

A. I am pleased that George came to Italy with us. 

B. I am sorry that George isn't going to Italy with us. 

C. I hope that George will go to Italy with us.

D. I am sorry that George didn't come to Italy with us.

Câu 4: We’ll be late for the meeting...........

A. unless we hurry up

B. if we are in a hurry 

C. unless we will hurry up

D. when we are in a hurry

Câu 5: Those boys took a long ladder............

A. so they will get the ball from the roof

B. and then get the ball from the roof 

C. in order to get the ball from the roof

D. so that the ball from the roof

Câu 6: There were two small rooms in the beach house,                     served as a kitchen.

A. the smallest of which

B. smallest of that 

C. the smaller of which

D. the smaller of them