We _______ the lessons for half a year．We are sure we can make it．（ ）
A．reviewB．reviewed
C．have reviewedD．are reviewing
Watch out，Peter! is a little boy playing ahead on the road．（ ）
A．ItB．ThisC．ThatD．There
My grandma's hobby is cooking watching TV，It's square dancing （ ）
A．not only；but alsoB．neither；nor
C．both；andD．either；or
It seems that El Nino some disasters in the world in the past few months （ ）
A．has causedB．is causingC．will causeD．caused
do you go to Mrs Rainbow's colour therapy？
Once every two weeks．（ ）
A．How oftenB．How soonC．How longD．How far
Is that man Mr Green？
It be him．He has gone to Paris on business．（ ）
A．mayB．mustC．can'tD．shouldn't