Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions.
We spray pesticides and fertilizers on our crops. Some pesticides and fertilizers are found dangerous.

A. We spray pesticides and fertilizers, which are found dangerous, on our crops.

B. The pesticides and fertilizers we spray on our crops are to be found dangerous.

C. We spray pesticides and fertilizers on our crops, which is found dangerous.

D. Some of the pesticides and fertilizers we spray on our crops are found dangerous.

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions.

We spray pesticides and fertilizers on our crops. Some pesticides and fertilizers are found dangerous.

A. We spray pesticides and fertilizers, which are found dangerous, on our crops.

B. The pesticides and fertilizers we spray on our crops are to be found dangerous.

C. We spray pesticides and fertilizers on our crops, which is found dangerous.

D. Some of the pesticides and fertilizers we spray on our crops are found dangerous.

Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions.

We planned to visit Ba Na Hills in the afternoon. We could not afford the fee, however.

A. As planned, we could not afford the visit to Ba Na Hills in the afternoon because of the fee. 

B. We visited Ba Na Hills in the afternoon though the fee was too high for us. 

C. We were going to visit Ba Na Hills in the afternoon, but the fee was too high for us. 

D. The fee was, however, high enough for us to plan a visit to Ba Na Hills in the afternoon.

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions

We spend about one-third of our lives sleeping. We know relatively little about our sleep.

A. We shall know more about our sleep if we spend more than one-third of our lives sleeping

B. We know relatively little about our sleep; as a result, we spend about one-third of our lives sleeping

C. Despite spending about one-third of our lives sleeping, we know relatively little about our sleep

D. We spend about one-third of our lives sleeping so that we know relatively little about our sleep

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions. 

We haven't received any reply to our letter. It is such an insult.

A. We see it an insult to have received no reply to our letter

B. We haven't received any reply to our letter yet because it is insulting

C. We have been insulted by the reply to our letter. 

D. We don't find it insulting for not receiving any reply to our letter. 

Mark the letter A, B, C or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions.

We arrived at airport. We realized our passports were still at home.

A. It was until we arrived at the airport that we realize our passports were still at home

B. We arrived at the airport and realized that our passports are still at home

C. Not until had we arrived at the airport, we realized our passports were still at home.

D. Not until we arrived at the airport, did we realize that our passports were still at home

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions.

We arrived at airport. We realized our passports were still at home.

A. It was until we arrived at the airport that we realize our passports were still at home.

B. We arrived at the airport and realized that our passports are still at home.

C. Not until had we arrived at the airport, we realized our passports were still at home.

D. Not until we arrived at the airport, did we realize that our passports were still at home.

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions

We arrived at airport. We realized our passports were still at home.

A. It was until we arrived at airport that we realize our passports were still at home.

B. We arrived at airport and realized our passports are still at home.

C. Not until had we arrived at airport, we realized our passports were still at home.

D. Not until we arrived at airport, did we realize our passports were still at home.

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions.

We arrived at airport. We realized our passports were still at home

A.It was until we arrived at airport that we realize our passports were still at home.

B.We arrived at airport and realized our passports are still at home.

C.Not until had we arrived at airport, we realized our passports were still at home.

D.Not until we arrived at airport, did we realize our passports were still at home.