【推荐1】He can't go with you to the cinema________he finishes cleaning his bicycle. (用适当的词填空)

【推荐2】Fortunately, someone happened to be passing by called the fire department________（instant）the fire broke out. （所给词的适当形式填空）

【推荐3】The doctor warned John that he might be overweight _______ he got enough exercise. (用适当的词填空)

【推荐1】It was only after he went abroad ________ he realized the importance of English.

【推荐2】It is the love and support of his family________have carried him through the toughest times. (用适当的词填空)

【推荐3】课内语法填空：根据所学语法知识，用适当语法结构填空，完成下列句子。
1. You'd better speak slower so that you can make yourself ______.(understand)
2. Pigeons have a wonderful sense of direction, which is why people in ancient times got them ______ (carry) messages.
3. Millions of Britons listened to the inspiring speech by Queen   Elizabeth II, ______ wisdom offered hope to them under lockdown.
4. The boy dived into the water and after ______ seemed to be a long time, he came up again.
5. The director was advised to give the task to ______ had a strong sense of responsibility.
6. ______ remains to be seen when students can attend school without wearing face masks.
7. ______ is known to all, the Pearl Harbour attack led to the US entering the Second World War.
8. The teacher, as well as some students ______ (be) going to visit the city museum tomorrow.
9. Generally   speaking, the old ______ (be) able to give us good advice due to their experience and wisdom.
10. It was at the age of fifteen ______ Louis Braille created a system with patterns of six raised dots representing each letter.