32．He met many problems         he was going over his lessons．

   A．before          B．while                  C．since                          D．as soon as

31．―Can you work out the physics problem?

   ―Sorry, I can _______ understand its mean­ing．

   A．almost        B．quite                C．nearly                      D．hardly

30．―Remember to close the door when you leave．

   ―_______．

   A．Yes, I do       B．No, I won’t          C．No, I don’t                 D．OK, I will

29．―Why not join us in the game, Kitty?

   ―_______, but I have to do my homework first．

   A．Let’s go        B．I’d like to    C．Yes, please            D．It’s a pleasure

28．―Could you tell me _______?

   ―By underground．

   A．how you came here              B．how did you come here

   C．when did you come here                D．when you came here

27．A talk on developments in science and technology         in the school hall next week．

   A．given                          B．will be given   C．has been given     D．gives

26．―So far, how long _______ you _______ China?

   ―For one year．

   A．have, come to         B．have, been to    C．have, been in                D．have, gone to

25．―Where’s your mother, Helen?

   ―She _______ the flowers in the garden．

   A．waters               B．watered      C．is watering           D．has watered

24．―May I try on the jeans?

   ―Yes, you _______．

   A．should               B．can           C．must                D．need

23．Our school sports meeting will start _______ the morning of next Saturday．

   A．on                    B．at                 C．in                            D．to