1. what is window shopping

2. what is window shop

3. what window shopping is

4. What window shoppers is

5. what do window shopping refers to

1. twice as much as

2. twice as many as

3. twice as long as

4. twice more than me

5. twice than

1. to import

2. to export

3. to distribute

4. to smuggle

5. to seize

1. keep pace at other bright students

2. keep pace for bright students

3. keep pace with weak students

4. keep pace in mediocre students

5. keep pace with other bright students

1. should fire in no time

2. be fired in no time

3. be fire in no time

4. should have fire in no time

5. be not fire in no time