2. He climbed silently ________ of seizing the thief ________.
| A．on purpose; by surprise | B．on purpose; surprisingly |
| C．for the purpose; surprised | D．for the purpose; by surprise |
He was about to do his homework when an unusual noise ________ his attention．
| A．arrested | B．affected | C．attacked | D．attended |
—You seem to be familiar with New York．
—I _______ there for three years．It’s great to be back．
| A．live | B．had lived |
| C．have lived | D．lived |
—These grapes look really beautiful．
—They _______! See the price $3．99 a pound．Very expensive, aren’t they!
| A．might | B．could | C．would | D．should |
It is typical of students to stay up ________ deep into the night for the final exam．
| A．to read | B．having read |
| C．to have read | D．reading |
Lenovo has brought out a new laptop ________ low cost will make it attractive to students．
| A．which | B．where | C．whose | D．what |