问题

__ he still paused uncertain, hebecame aware that the driver was looking closely in from the street at thisunusual scene.

A:While
B:As
C:Since
D:Because

正确答案是：

同类题型

My computer doesn’t work. Can you do me a favor—–____________.

The workers are trying to ________ what’s wrong with the machine.

Barack Obama delivered a speech to 500 local youths during his visit to China, many of _______ were from Fudan University and Tongji University

People have heard what the President has said; they are waiting to see ________ he will do.

On the rescue scene of the copper mine in Chile, the crowd cheered _________ a miner was safely brought to the surface