单选题 My mother often tells me 【 】too much time playing computer games.

单选题 Some developed countries are trying to 【 】the serious problems resulting from the energy crisis.

单选题 Jim can’t go to school today 【 】his illness.

单选题 To our 【 】, Jennifer’s illness proved not to be as serious as we had feared.

单选题 My brother is good at playing basketball, and he 【 】on the school team now.

单选题 It’s hard to say goodbye to the teachers 【 】have spent the past three years with us.

单选题 A new house will have been built here 【 】

单选题 To be frank, 【 】is a great relief to have the task fulfilled in so short a time.