— You look tired, you should have a good rest for _______ days.That sounds good.
This is 3-D printer. And this is an artificial (人工的) ear. Can you believe that scientists printed this artificial ear by this 3-D printer?
Nearly _______of the earth___covered by sea.
--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.
________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