forget
| A．general | B．large | C．change | D．forgive |
climb
| A．hour | B．laboratory | C．bomb | D．bitter |
explanation
| A．example | B．exit | C．explain | D．exam |
smooth
| A．worth | B．wealthy | C．southern | D．south |
smoke
| A．pardon | B．lesson | C．alone | D．button |
--Do you know when the Chinese custom_________ from?
--It's hard to say. But its characteristics__________ the Tang Period.
| A．began ; prove | B．started ; show |
| C．is ; appear | D．dates ; suggest |
After you have used the dictionary, please just put it back______it belongs.
| A．where | B．to which | C．what | D．that |
It is usually not quite cold in this area in March, but sometimes temperature________ be very low.
| A．should | B．can | C．must | D．shall |
Their tent,__________ light as a feather, remained firm in the storm last night.
| A．as if | B．even | C．though | D．if |
Why haven't you finished your homework yet? You___________ to have finished it by last Sunday.
| A．are supposed | B．were supposed | C．are supposing | D．were supposing |