____ he works hard, I don’t mind when he finishes the experiment.
| A．As soon as | B．Even though | C．So long as | D．So far as |
Mary couldn’t help but _____ in despair, staring at the fox which had blood-red eyes and seemed _____ her.
| A．feeling; to be watching | B．feel; watching |
| C．feel; to be watching | D．to feel; to have watched |
The firm is now in the _____ of moving the main equipment to new place.
| A．process | B．action | C．development | D．direction |
Without proper lessons, you could _____ a lot of bad habits when playing the piano.
| A．give up | B．catch up | C．pick up | D．keep up |
It suddenly _____ to me that we could ask our neighbors to help us.
| A．thought | B．happened | C．came | D．occurred |
He kept looking at her, wondering whether he _____ her somewhere.
| A．saw | B．has seen | C．sees | D．had seen |