Learning foreign language calls for your memory, time , patience and emotions. _____, It is not a simple thing.A As a result B In conclusion C In general D After all
---May I ask for a leave,sir? ---sorry,the meeting _____ no absence.
At the beginning of class, the noise of desks _____ could be heard outside the classroom.
This washing machine is environmentally friendly because it uses _____water and electricity than _ ___models.
__ __ so much trouble, we failed to complete the task on time.
Oil prices have risen by32 percent since the start of the year,_____a record US $57.65 a barrel on April 4.