Bill always seems so confident, but ________ he’s extremely shy.
| A．in vain | B．in contrast | C．in reality | D．in surprise |
She is lucky to have found a job she likes and______, she can get there within 10 minutes．
| A．in other words | B．what's more | C．as a result | D．on the contrary |
—Do you want me to get you a chair?
—No, ______.
| A．it’s nice of you | B．I can manage it |
| C．don't bother | D．I am glad to hear that |
No one really knows exactly dfwhen the first people arrived in______we now know as California
| A．what | B．when | C．where | D．which |
I'll bring some medicine jus______some of us get sick while travelling．
| A．As if | B．in case | C．even though | D．as long as |
—Have you found the missing?couple in the mountain ?
—No, but we______hard to get in touch with them．
| A．have tried | B．have been trying | C．had tried | D．had been trying ． |