These continual _____ in temperature make it impossible to decide what to wear.
| A．alterations | B．vibrations | C．waves | D．fluctuations |
. It was so noisy out side that he couldn’t down to read.
| A．settle | B．put | C．sit | D．lie |
He offered to her a hand as the suitcase was too heavy for her to carry.
| A．hold | B．show | C．lend | D．borrow |
----When did the concert?
---Well, two or three years ago?
| A．happen | B．take place | C．hold | D．start |
-- Not getting that job was a big bet down.
---Don’t worry. Something better will.
A. come along B. take on C. go by C. fall behind
---Mum, it is nice weather. I want to skate this afternoon.
---Don’t you think the ice on the lake is too thin toyour weight?
| A．stand | B．bear | C．catch | D．take |