Where on earth have you been? We you back much earlier.
| A．were expecting | B．are expecting | C．had expected | D．expect |
—Hi, Li Xiaoxia. What a surprise! Dad _____ you _______ so early. He’s upstairs reading. I’ll just call him.
| A．didn’t know; would come | B．doesn’t know; are coming |
| C．hadn’t known; were coming | D．hasn’t known; will come |
—Where is Lu Wenjie? 
—I have no idea．He__________ be in the library.
| A．can | B．must | C．might | D．shall |
______difficulties we may come across, we' ll help one another to overcome them.
| A．However | B．Wherever | C．Whenever | D．Whatever |
Mary had promised to give me a ticket for tomorrow. She failed, ____.
| A．either | B．though | C．but | D．too |
.---You may find the key to the maths problem on page 107 .
---Ah, it’s so simple . I wonder why I of that .
| A．hadn’t thought | B．haven’t thought | C．didn’t think | D．wasn’t thinking |