1.Mr Brown ()England,he ()London for about 3 weeks.A.has been to has been inB has gone to has been in2.()how hard it is,we will keep trying till we()itA No matter succeed B no matter make3.Some foreign teachers wll visit our school ()a ()time.A in week丿s B in weeks丿
问题描述：
1.Mr Brown ()England,he ()London for about 3 weeks.
A.has been to has been in
B has gone to has been in
2.()how hard it is,we will keep trying till we()it
A No matter succeed B no matter make
3.Some foreign teachers wll visit our school ()a ()time.
A in week丿s B in weeks丿
答