20、I’m afraid we’ll have to work extra hours, for there are still some problems ．
A．remaining to settle B．remaining to be settled
C．remained to talk about D．to remain to discuss
19、Mother’s love is true love! She’s never stopped loving you you become or you do．
A．whichever B．however C．whatever D．whoever
18、---When did you move to Sanya?
---In 2008．But I in Tibet for 8 years．
A．has worked B．has been worked
C．have been working D．worked
17、---Does Rita feel better today?
---Her condition has improved, but it will be some time before she returns to school．
A．sooner or later B．more or less
C．now and then D．once in a while
16、The moment John will never forget is Mr. Smith gave him a lot of valuable advice on how to improve his writing．
A．that; that B．that; when C．when; that D．when; when
15、Mr. Li has some trouble sleeping, so dinking a glass of milk before going to bed every night is his common ．
A．practice B．knowledge C．experience D．duty
14、---Have you been ?
---Yeah．As a matter of fact, I’ve been going to the gym for half a year now．
A．carrying out B．turning out C．making out D．working out
13、---How can we reduce CO2 in our home?
---It’s easy． off your TV or computers when you’re not using them, and you’ll greatly reduce it．
A．Turn B．To turn C．Turning D．Turned
12、The local government is trying all out to find out who is the forest fire．
A．to blame for starting B．to blame to start
C．to be blamed for starting D．to be blamed to start
11、Nine thousand guests took part in the outdoor ceremony, that impressed so many people at the White House．
A．that B．this C．it D．one