Câu hỏi:                      , he was determined to continue to climb up the mountain. 

A. He felt very tired though

B. As he might feel tired

C. Tired as it was

D. Tired as he might feel

Câu 1: Alex did not do very well in class............ 

A. therefore he was a good student

B. because he failed to study properly

C. although he was not hard-working

D. as long as he had studied badly

Câu 2: The instructions from air traffic control were not fully explicit, and......................

A. so that the pilot made an error and crashed

B. as a result, the pilot made an error and crashed 

C. therefore the pilot made it crash 

D. resulting from the pilot crashing the plane 

Câu 3: 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 4: 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 5: He agreed to sign the contact                   

A. so he didn’t know much about that company

B. because he didn’t know much about that company’s director

C. although he didn’t know much about that company

D. in spite he knew much about it

Câu 6: 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