18. The spy caught ______ the military base was sentenced to 20 years in prison and was limited ______ no relative visiting.
A.to spy on; to | B.spying on; to | C.to spy on; with | D.spying on; with |
He commanded that all the gates ________.
A.should shut | B.would be shut | C.shut | D.be shut |
As is known to us all, English books of this kind ________ well in middle schools.
A.sell | B.sells | C.is sold | D.are sold |
_______ everyone here, I wish you a pleasant journey back to your country.
A.By means of | B.On behalf of | C.In search of | D.For fear of |
I think you need some outdoor exercise. Plenty of fresh air will ________good health.
A.contribute to | B.devote to | C.apply to | D.adjust to |
We will be free tomorrow,so I suggest ________to the history museum.
A.to visit | B.visiting |
C.we should visit | D.a visit |