David said that the glass was broken and warned me __________ it.( )
A.don't touchB.to not touch
C.not to touchD.no touching
Corn production____nearly 125 percent over the past 25 years in China.( )
jumped
jumps
will jump
has jumped
She says that she'll have to close the restaurant____business improves.( )
if
after
unless
when
The girl used to be shy,but she is______ getting active in team work and willing to make friends.( )
usually
gradually
mainly
seldom
He's already playing in a band, and he only_____ playing the guitar a year ago!( )
took up
set up
put up
gave up
He____sleep, although he tried to. One cup of coffee in the late afternoon caused him to stay awake almost all night.( )
wouldn't
shouldn't
couldn't
mustn't