【推荐1】A famous doctor gave us some s_________ about how to keep healthy.

【推荐2】We think his ___________ (suggest) is valuable to us.

【推荐3】Would you please give me some ________ (suggest) on how to improve my spoken English?

【推荐1】The tree which has been here for 50 years provides ________ (阴凉) for people in summer.

【推荐2】Einstein took a seat, listened to Hans give his lecture without difficulty, and joined in the ________ at the end.

【推荐1】Do you like lettuce in ________ (sandwich)?

【推荐2】
1. Green, yellow, black and red are all c______.
2. A_____ the boys like sports.
3. Come and see for y_______ at Xingfu Clothes Store.
4. –What’s the p_________ of this bird?     –It’s 100 yuan.
5. The white pants are too s _______ for Jim, but the black pants are too long for him.

【推荐3】根据句意或句子的语法要求，用括号中所给单词的适当形式填空。
1. It is very __________(tire) to climb the Great Wall step by step.
2. Their _________(fly) was put off because of the smog.
3. Rose is always the first ________________(enter) the classroom every morning.
4. You should look up the world in the dictionary when you are_____ (sure) of its spelling.
5. Japan has lots of tourists____________________(attract), so many visitors come to go sightseeing every year.
6. I regretted _____(climb) the mountain. Now my feet hurt and I can’t move any further.
7. All the packages should___________ (lay) on this machine for security check.
8. She is always too busy ________(do) homework to have any time to relax.
9. I told him the Summer Palace was well worth ____________(visit ).
10. He knocked a glass of water over and the water_____________(spread) all over the floor.