As a stopping point on the famous Silk Road, Loulan is believed __________ by sandstorms from AD 200 to AD 400.
A.to be gradually covered over B.to gradually cover over
C.to have been gradually covered over D.to gradually have covered over
No one in the department but Tom and I ______ that the director is going to resign.
A.have known B.know
C.knows D.am to know
When it __________ advertisements, we must use our intelligence and not be a slave to them!
A.sticks to B.comes to
C.goes to D.occurs to
The situation is so urgent that we must __________ an effective way to solve the problem right now.
A.let out B.pick out
C.figure out D.put out
Indeed a lot of skillful methods are used in many advertisements to cheat consumers. Not all ads play tricks on us__________.
A.instead B.though
C.still D.anyway
I practiced a lot in the training center so that I could pass the driving test at my first __________.
A.attempt B.experiment
C.flight D.glance
