Father's Day is coming.I'm thinking about ________.( )
A.what present I gave him
B.where we had a big meal
C.how I will give him a surprise
D.if I planned a party for him
Doctor Bethune sometimes had to treat the wounded on _____ own.( )
A.himB.hisC.themD.their
The Three Gorges Dam produces _____for millions of people in China.( )
A.electricityB.influence
C.transportD.technology
Students here often do physics experiments _____small groups.( )
A.byB.inC.forD.at
To prepare for _____trip to LA, Betty is making _____list of things to take along.( )
A.the; theB.不填; aC.the; aD.a; 不填
There is so much noise in the next room.I wonder__________________.( )
A.what are they doingB.what were they doing
C.what they are doingD.what they were doing