_______ from the moon, our earth, with water _______seventy percent of its surface, appears a blue ball
A. Seen; covered B. Seeing; covering
C. Seen; covering D. Seeing; covered
Small sailboats can easily turn over in the water ________.
A. if not managed carefully B. if are not managed carefully
C. unless not managed carefully D. unless are not managed carefully
Tom ______ to me that the rooster which _______ in the corner _______ an egg.
A. lied; lay; had lain B. lied; laid; had lain
C. lied; lay; had laid D.lay; lied; had laid
They did not find ________ to prepare for the worst conditions they might meet.
A. it worthy B. it worthwhile C. it worth D. worth their while
You can not imagine that a well-behaved gentleman _______be so rude to a lady.
A. might B. need C. should D. would
To their great fear, they found________ in the heaviest snowfall they had never had.
A. they were catching B. themselves caught
C. they had caught D. themselves catching
