Mr. and Mrs. James feel more comfortable on a ship than they would do if they _________ any other way．
A．travel B．are travelling
C．have travelled D．travelled
—Hi, Betty．Would you like to go to see a movie with me tonight?
—Sorry, Mary．_________ tomorrow’s lessons, I have no time to go out with you．
A．Not preparing B．Not having prepared
C．Not to prepare D．Being not prepared
He has made a discovery, _________ of great importance to the progress of science and technology．
A．I think which is B．which I think is
C．which I think it D．which I think it is
Rosy came in for _________ coffee and told me _________ firecrackers outside kept her awake last night．
A．a; the B．不填; the
C．the; a D．a; the
—Dad, where on earth did you put my raincoat?
—Oh, Jim．I forgot to tell you．It _________ behind your bedroom door．
A．would hang B．has hung
C．is hanging D．hung
In autumn, _________ the weather is often cool and fine, people living in the city always like climbing hills for outdoor activities to strengthen their health．
A．which B．where C．as D．when
