____ is certain, though, is that the mystery of Tutankhamun’s tomb has never been fully explained.
A. It B. What C This D As
Some time after the rockets and the space shuttle are _____, the rocket will _____ the space shuttle and ____ the sea.
A. set sail; broadcast; drop in B. ruled out; orbit; show up
C. stepped up; survive; fall for D. launched; separate from; fall into
London people always take umbrellas with them, just _______ it rains.
A. in case B. fear C. so that D. so long as
Experts suggest that teenagers spend at least 30 minutes exercising, five times a week. Walking and riding your bike _____ , and ______.
A. counts; so are school sports B. count; school sports count, either
C. count; so do school sports D. counts; so school sports do
As a matter of fact, _____ of sleep can make you look tired, and even _____ putting on weight.
A. lose; cause B lost; result from C loss; result in D losing; lead
“We ______ other possibilities too, such as murder. We ______ until we find convincing evidence.”said Detective Sam Peterson.
A. had looked at; wouldn’t give up B have looked at; don’t give up
C have considered; haven’t given up D. have been looking at; won’t give up
