—Do you mind my closing the door? It’s a little bit cold in here.
—___________.
A．Go ahead B．Yes, you do C．Hold on D．Come on
Lucy couldn’t remember when she met Tom, but she was sure it was on ______Monday when she had ______ music class.
A．/; the B．the; / C．a; a D．/; a
I ______ an old letter while I was searching my drawer.
A．came up B．came across C．came on D．came about
Before taking the photo ,_______ the focus of the camera.
A．adopt B．adjust C．adapt D．check
They were making a plan to help those students _____, which attracted me.
A．in brief B．in public C．in action D．in need
We didn’t know you were in trouble at that time,_____ we would have given you a hand.
A．therefore B．however C．otherwise D．though
