---When do you home? ---At around 6： 00.
| A．to get | B．get | C．get to | D．gets |
Nearly _______of the earth___covered by sea.
| A．three fourth; is | B．three fourths; is |
| C．three fourth; are | D．three fourths; are |
--Don’t worry. My mother will look after your baby __________.
--Thanks a lot.
A. careful enough B. enough careful C. carefully enough
The car accident happened ____ a cold winter morning. Luckily, no one was hurt.
| A．in | B．on | C．at | D．of |
________mothers can’t go to the meeting, because they have gone to New York on business.
A. Alice and Lily’s B. Alice’s and Lily’s C. Alice’s and Lily
_______ they are twin brothers, they don’t look like each other.
| A．Though | B．Since | C．However | D．When |