Before the plane ________ off, the flight attendant told everyone to fasten their seat belts and put their chairs in an upright position.

Choose the correct answer to complete the sentence. "Researchers are developing low-cost devices______ can detect water pollutants in rivers and lakes."

There are some pens here. Why don’t you ________ one or two?

Did Mr. Tan ________ the class while Miss Fiona was ill in hospital?

I will see you again. We are all looking forward _______ again.

Choose the word(s) CLOSEST in meaning to the following word(s). "insoluble"

They've ________ a new tower where that old building used to be.

It’s Winnie’s graduation tomorrow. She has finally _____________ her dream.

 Jane _____ have kept her word. I wonder why she changed her mind. 

Tom should not _____ me your secret, but he meant no harm.

Choose the correct answer to complete the sentence. " This is the right DVD, ____?"

I’ve bought a new dress but haven’t ________ it on.

I take ________ everything I said about Paul. I realize now that it wasn't true.

 I _____ play basketball than football. 

Choose the correct answer to complete the sentence. "Mary encouraged Jack to apply _____ the job"

Choose the correct answer to complete the sentence. "_____ there is no shortage of fresh water, wastewater is treated and turned into drinking water."

Since we have to be there by 8.30, we_____ take a taxi. 

My uncle took ________ golf when he retired from work.

 “I stayed at a hotel while in New York.” - “Oh, did you? You _____ with Barbara.” 

He_____ have committed the crime because he was with me that day. 

Choose the best answer: 
The couple tried to converse in the busy restaurant, but they couldn't hear themselves speak so they went elsewhere.