Mr. Smith got a ticket on his way home because he had failed to ________ at a red light.
| A．work out | B．pull out |
| C．look up | D．pull up |
There is no to worry. He is old enough to take care himself.
A, difference B, need C, possibility D, sense
It is important and necessary for us to wash our hands before eating, because we can
disease our bodies with the meals.
A, absorb, into B, take in, to C, suffer from, in D, take, out of
As is well known, it is Hawking who the theory of black holes.
A, puts forward B, has put forward C, invented 
D, raised
When you finished a piece of writing, check that that the tenses are consistent and the
spelling is correct.
A, they are making senses B, it makes sense
C, it makes senses D, they make sense
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