1.  

A

) 

My favorite aerobic activities are running, skiing, and I also like kickboxing.

B

) 

To run, to ski, and kickboxing are my favorite aerobic activities.

C

) 

My favorite aerobic activities are running, skiing, and to go kickboxing.

D

) 

Running, skiing, and kickboxing are my favorite aerobic activities.

2.  

A

) 

The tortoise and the hare stood at the starting line, took a deep breath, glanced at the official, and both hope he blows the whistle.

B

) 

The tortoise and the hare stood at the starting line, took a deep breath, glanced at the official, and they both hoped he would blow the whistle.

C

) 

The tortoise and the hare both stood at the starting line, took deep breaths, glanced at the official, and hoped he would blow the whistle.

D

) 

The tortoise and the hare stood at the starting line, taking a deep breath, glancing at the official, and both hoped he blows the whistle.

3.  

A

) 

Getting calls from telemarketers, missing my morning bus, and receiving large bills are my biggest annoyances.

B

) 

My biggest annoyances are to get calls from telemarketers, missing my morning bus, and to receive large bills.

C

) 

Getting calls from telemarketers, having missed my morning bus, and to receive large bills are my biggest annoyances.

D

) 

My biggest annoyances are getting calls from telemarketers, missing my morning bus, and receiving large bills is the worst.

4.  

A

) 

I asked the children to hang up their coats, place their mittens in the box, and taking their boots off.

B

) 

I asked the children to hang up their coats, place their mittens in the box, and to take their boots off.

C

) 

I informed the children that they needed to hang up their coats, placing their mittens in the box was very important, and that they should have taken their boots off.

D

) 

I asked the children to hang up their coats, to place their mittens in the box, and to take their boots off.