Jack had traveled six miles across the Channel his engine failed and was forced to land on the sea .
| A．when | B．until | C．after | D．since |
—When shall we go for a picnic, this Saturday or Sunday?
—_______ is OK. I’m free this weekend.
| A．Neither | B．All | C．Either | D．Both |
_____ and I’ll get him. He is in the next office.
| A．Go on | B．Keep up | C．Hang up | D．Hold on |
You can’t use my bike _____ you return it to me by the weekend.
| A．if not | B．unless | C．because | D．though |
—By the way, Mary sends her love to you.
—______.
| A．Oh, the same to her | B．It’s great |
| C．That’s very kind of her | D．Thank you ever so much |
Helen ____ go on the trip with us, but she isn’t quite sure yet.
| A．shall | B．must | C．may | D．can |