We find ________ more useful for students to do new eye exercises.（ ）
| A． |
it |
B． |
this |
C． |
one |
D． |
that |
All my family members think people should _____doctors and nurses for their contributions．（ ）
A．promiseB．praiseC．presentD．prepare
Hi， Daniel． You didn't attend the chess class last night．
Oh， I _____my son's model plane．（ ）
A．am repairingB．repair
C．have repairedD．was repairing
Have you asked_______ about the case？
No， except Bob．（ ）
A．everybodyB．anybodyC．nobodyD．somebody
I am proud that our Chinese survey team _____successfully remeasure Qomolangma （再测珠穆朗玛峰）， the world's highest peak．（ ）
A．mustB．canC．mayD．should
My parents gave red packets to my cousin every Spring Festival _______she got a job， because she said she was able to make money．（ ）
A．afterB．whenC．untilD．since