Many countries are increasing their use of natural gas, wind and other forms of __________.
A.energy | B.source | C.power | D.material |
Do you think the reason _______ he gave is believable?
A.when | B.why | C.what | D.which |
Thank you for your timely help, otherwise we _______ in great trouble now.
A.are | B.would have been |
C.would be | D.were |
_______ apple four hundred years ago led to the law of gravity while _______ apple designed by Steve Jobs has changed our life greatly.
A.The; an | B.An; an |
C.An; the | D.The; 不填 |
One more month,______these baby birds will fly out of their nest.
A.or | B.and | C.but | D.otherwise |
—Excuse me, could you tell me the way to the British Museum?
—Sorry, I’m a stranger here.
—_______.
A.Thanks, anyway | B.It doesn’t matter |
C.Never mind | D.No problem |