Each sentence given below contains some underlined parts. One of these parts contains a grammatical error. Find out that part which contains the error. You don’t have to correct the mistake; you only need to find it.

Question 1

Some tumors stop growing once they have reached a certain size, while others continue to growing.

a) some

b) stop growing

c) have reached

d) to growing

Question 2

Finding a way to predicting which tumors will lie dormant and which will spread is one of the most important goals of cancer research.

a) finding

b) to predicting

c) will lie

d) of

Question 3

A team of scientists has developed a model that should help identifying which blood vessels to remove to limit a tumor’s growth.

a) has

b) that

c) identifying

d) to remove

Question 4

When she has arrived, I was listening to a record of Brendel playing Beethoven.

a) when

b) has arrived

c) was listening

d) playing

Question 5

The Managing Director begin his address to the shareholders by summarizing the results for the year.

a) begin

b) to

c) summarizing

d) for

Answers

1. to growing (The sentence should read: Some tumors stop growing once they have reached a certain size, while others continue to grow.)

2. to predicting (The sentence should read: Finding a way to predict which tumors will lie dormant and which will spread is one of the most important goals of cancer research.)

3. identifying (The sentence should read: A team of scientists has developed a model that should help identify which blood vessels to remove to limit a tumor’s growth.)

4. has arrived (The sentence should read: When she arrived, I was listening to a record of Brendel playing Beethoven.)

5. begin (The sentence should read: The Managing Director began his address to the shareholders by summarizing the results for the year.)