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
We are invited to a party _______ in our club next Friday.
A．to be held B．being held C．held D．holding
She was so sad because she failed in the math test . Let’s ____ her _____.
A．leave ; behind B．leave ; alone C．leave ; aside D．leave ; out
