Lenovo has brought out a new laptop ________ lowcost will make it attractive to students.

40—Shall Tom go and play football? —Not ________ he has finished his homework

Research indicates that _____ 75% of kids with learning disabilities have such difficulties as making and keeping friends [ ]

Hello, grandpa. I am so happy ________ back home during the winter holidays.

The two girls are so alike that strangers find _____ difficult to tell one from the other. [ ]