Your cousin is said a new computer program recently, but do you know when he will finish it?
#18149
A
to design
B
to be designing
C
to have been designing
D
to have designed
推荐题目
After a thorough search, the rescue team finally brought the mountain climbers back, __________.
#18910
A
safely and soundly
B
safe and sound
C
safely and sound
D
safe and soundly
My cousin works as a guide . She used to make ______ money than she does now . 
#19176
A
much less
B
quite less
C
much fewer
D
a lot fewer
With sufficient scientific information a manned trip to Mars should be _____.
#20853
A
obtainable
B
potential
C
considerable
D
feasible