如何查找IPC中部件的有效号

Minerva _____ an hour every night to spend with her daughter.

If you want to buy a phone, HUAWEI is a good brand, ( )I will not hesitate to recommend.

When I got home, the room was a mess, but nothing seemed _______

Please do me a favor ( ) dr Wang of the date and place of our contest.

Cigarettes can damage the lungs and do great harm if in large quantities.

Not having worked out the problem,( ) leave the library.

Though our group is better than theirs, ______ we will win remains to be seen.

( ) , mom could not get the door open.

The new aisle is _______ of the old one.

Some of the students have already learned enough words to ____ a conversation with a native speaker.